List of United States representatives from Pennsylvania

The following is a list of members of the United States House of Representatives from the Commonwealth of Pennsylvania. For chronological tables of members of both houses of the United States Congress from the state (through the present day), see United States congressional delegations from Pennsylvania. The list has been updated periodically to reflect changes in membership; current entries are for members of the 119th Congress.

Current members

Listed below are the incumbent members of the Pennsylvania House Delegation to the 119th Congress, updated on January 3, 2025:

• 1st district: Brian Fitzpatrick (R) (since 2017)
• 2nd district: Brendan Boyle (D) (since 2015)
• 3rd district: Dwight Evans (D) (since 2016)
• 4th district: Madeleine Dean (D) (since 2019)
• 5th district: Mary Gay Scanlon (D) (since 2018)
• 6th district: Chrissy Houlahan (D) (since 2019)
• 7th district: Ryan Mackenzie (R) (since 2025)
• 8th district: Rob Bresnahan (R) (since 2025)
• 9th district: Dan Meuser (R) (since 2019)
• 10th district: Scott Perry (R) (since 2013)
• 11th district: Lloyd Smucker (R) (since 2017)
• 12th district: Summer Lee (D) (since 2023)
• 13th district: John Joyce (R) (since 2019)
• 14th district: Guy Reschenthaler (R) (since 2019)
• 15th district: Glenn Thompson (R) (since 2009)
• 16th district: Mike Kelly (R) (since 2011)
• 17th district: Chris Deluzio (D) (since 2023)

List of members

Member	Party	District	Years	Electoral history
Ernest F. Acheson	Republican	24th	March 4, 1895 – March 4, 1909	Lost re-election.
Ephraim L. Acker	Democratic	6th	March 4, 1871 – March 4, 1873	Lost re-election.
Robert Adams Jr.	Republican	2nd	December 19, 1893 – June 1, 1906	Died.
William Addams	Jacksonian	7th	March 4, 1825 – March 4, 1829	Lost re-election.
John A. Ahl	Democratic	16th	March 4, 1857 – March 4, 1859	Retired.
William D. B. Ainey	Republican	14th	November 7, 1911 – March 4, 1915	Retired.
Charles Albright	Republican	At-large	March 4, 1873 – March 4, 1875	Retired.
Robert G. Allen	Democratic	28th	January 3, 1937 – January 3, 1941	Retired.
James Allison Jr.	Democratic-Republican	16th	March 4, 1823 – August 26, 1825	Resigned.
John Allison	Whig	20th	March 4, 1851 – March 4, 1853	Lost re-election.
	Opposition	23rd	March 4, 1855 – March 4, 1857	Retired.
Robert Allison	Anti-Masonic	12th	March 4, 1831 – March 4, 1833	Retired.
Jason Altmire	Democratic	4th	January 3, 2007 – January 3, 2013	Redistricted and lost renomination.
Lemuel Amerman	Democratic	11th	March 4, 1891 – March 4, 1893	Lost re-election.
Joseph S. Ammerman	Democratic	23rd	January 3, 1977 – January 3, 1979	Lost re-election.
Sydenham E. Ancona	Democratic	8th	March 4, 1861 – March 4, 1867	Lost re-election.
Isaac Anderson	Democratic-Republican	3rd	March 4, 1803 – March 4, 1807	Retired.
Samuel Anderson	Anti-Jacksonian	4th	March 4, 1827 – March 4, 1829	Retired and returned to Pennsylvania House of Representatives.
William Anderson	Democratic-Republican	1st	March 4, 1809 – March 4, 1815
			March 4, 1817 – March 4, 1819
Joseph B. Anthony	Jacksonian	16th	March 4, 1833 – March 4, 1837
James Armstrong	Pro-Administration	At-large	March 4, 1793 – March 4, 1795	Retired.
William H. Armstrong	Republican	18th	March 4, 1869 – March 4, 1871	Lost re-election.
William C. Arnold	Republican	28th	March 4, 1895 – March 4, 1899	Lost re-election.
Michael W. Ash	Jacksonian	3rd	March 4, 1835 – March 4, 1837	Retired.
Eugene Atkinson	Democratic	25th	January 3, 1979 – October 14, 1981	Switched parties.
	Republican		October 14, 1981 – January 3, 1983	Redistricted and lost re-election.
Louis E. Atkinson	Republican	18th	March 4, 1883 – March 4, 1893	Withdrew from re-election campaign and retired.
Elijah Babbitt	Republican	25th	March 4, 1859 – March 4, 1863	Retired.
Reuben K. Bachman	Democratic	10th	March 4, 1879 – March 4, 1881	Retired.
Donald A. Bailey	Democratic	21st	January 3, 1979 – January 3, 1983	Redistricted and lost renomination.
Joseph Bailey	Democratic	16th	March 4, 1861 – March 4, 1863
		15th	March 4, 1863 – March 4, 1865
Warren W. Bailey	Democratic	19th	March 4, 1913 – March 4, 1917
Henry Baldwin	Democratic-Republican	14th	March 4, 1817 – May 8, 1822	Resigned.
John Banks	Anti-Masonic	18th	March 4, 1831 – March 4, 1833	Resigned to become the judge of the Berks judicial district.
		24th	March 4, 1833 – March 31, 1836
Laird H. Barber	Democratic	8th	March 4, 1899 – March 4, 1901
Andrew J. Barchfeld	Republican	32nd	March 4, 1905 – March 4, 1917
Charles F. Barclay	Republican	21st	March 4, 1907 – March 4, 1911
David Barclay	Democratic	24th	March 4, 1855 – March 4, 1857
David Bard	Democratic-Republican	10th	March 4, 1795 – March 4, 1799
		4th	March 4, 1803 – March 4, 1813
		9th	March 4, 1813 – March 12, 1815
Abraham A. Barker	Republican	17th	March 4, 1865 – March 4, 1867
Lou Barletta	Republican	11th	January 3, 2011 – January 3, 2019	Retired.
Stephen Barlow	Jacksonian	18th	March 4, 1827 – March 4, 1829
Charles Augustus Barnitz	Anti-Masonic	11th	March 4, 1833 – March 4, 1835
Samuel F. Barr	Republican	14th	March 4, 1881 – March 4, 1885
William A. Barrett	Democratic	1st	January 3, 1945 – January 3, 1947
			January 3, 1949 – April 12, 1976	Died.
Arthur L. Bates	Republican	26th	March 4, 1901 – March 4, 1903
		25th	March 4, 1903 – March 4, 1913
Thomas M. Bayne	Republican	23rd	March 4, 1877 – March 4, 1891
Joseph G. Beale	Republican	27th	March 4, 1907 – March 4, 1909
C. William Beales	Republican	20th	March 4, 1915 – March 4, 1917
William Beatty	Democratic	23rd	March 4, 1837 – March 4, 1841
Andrew Beaumont	Jacksonian	15th	March 4, 1833 – March 4, 1837
James M. Beck	Republican	1st	November 8, 1927 – March 4, 1933
		2nd	March 4, 1933 – September 30, 1934
Edward M. Beers	Republican	18th	March 4, 1923 – April 21, 1932	Died.
Henry W. Beeson	Democratic	20th	May 31, 1841 – March 4, 1843
Frank E. Beltzhoover	Democratic	19th	March 4, 1879 – March 4, 1883
			March 4, 1891 – March 4, 1895
George J. Benner	Democratic	19th	March 4, 1897 – March 4, 1899
William M. Berlin	Democratic	28th	March 4, 1933 – January 3, 1937
Earl H. Beshlin	Democratic	28th	November 6, 1917 – March 4, 1919
Thomas M. Bibighaus	Whig	14th	March 4, 1851 – March 4, 1853
Charles J. Biddle	Democratic	2nd	July 2, 1861 – March 4, 1863
Joseph F. Biddle	Republican	18th	November 8, 1932 – March 4, 1933
Richard Biddle	Anti-Masonic	22nd	March 4, 1837 – July 21, 1840	Resigned.
Benjamin A. Bidlack	Democratic	15th	March 4, 1841 – March 4, 1843
		11th	March 4, 1843 – March 4, 1845
James S. Biery	Republican	6th	March 4, 1873 – March 4, 1875
Edward G. Biester Jr.	Republican	8th	January 3, 1967 – January 3, 1977
Alexander Billmeyer	Democratic	17th	November 4, 1902 – March 4, 1903
Henry H. Bingham	Republican	1st	March 4, 1879 – March 22, 1912	Died.
Horace Binney	Anti-Jacksonian	2nd	March 4, 1833 – March 4, 1835
Harris J. Bixler	Republican	28th	March 4, 1921 – March 4, 1927
Henry Black	Whig	18th	June 28, 1841 – November 28, 1841	Died.
James Black	Jacksonian	13th	December 5, 1836 – March 4, 1837
	Democratic	16th	March 4, 1843 – March 4, 1847
Lucien E. Blackwell	Democratic	2nd	November 5, 1991 – January 3, 1995
Samuel S. Blair	Republican	18th	March 4, 1859 – March 4, 1863
John Blanchard	Whig	17th	March 4, 1845 – March 4, 1849
Andrew Boden	Democratic-Republican	5th	March 4, 1817 – March 4, 1821
Patrick J. Boland	Democratic	11th	March 4, 1931 – May 18, 1942	Died.
Veronica G. Boland	Democratic	11th	November 3, 1942 – January 3, 1943
Edward J. Bonin	Republican	11th	January 3, 1953 – January 3, 1955
Robert A. Borski Jr.	Democratic	3rd	January 3, 1983 – January 3, 2003
Thomas Boude	Federalist	7th	March 4, 1801 – March 4, 1803
Franklin Bound	Republican	14th	March 4, 1885 – March 4, 1889
Charles C. Bowman	Republican	11th	March 4, 1911 – December 12, 1912	Seat declared vacant.
Benjamin M. Boyer	Democratic	6th	March 4, 1865 – March 4, 1869
Brendan F. Boyle	Democratic	13th	January 3, 2015 – January 3, 2019	Redistricted.
		2nd	January 3, 2019 – present	Incumbent
Charles E. Boyle	Democratic	21st	March 4, 1883 – March 4, 1887
Henry M. Brackenridge	Whig	22nd	October 13, 1840 – March 4, 1841
Michael J. Bradley	Democratic	3rd	January 3, 1937 – January 3, 1947
Samuel C. Bradshaw	Opposition	7th	March 4, 1855 – March 4, 1857
Robert A. Brady	Democratic	1st	May 19, 1998 – January 3, 2019	Retired.
Jasper E. Brady	Whig	16th	March 4, 1847 – March 4, 1849
Samuel M. Brainerd	Republican	27th	March 4, 1883 – March 4, 1885
Samuel Breck	Federalist	1st	March 4, 1823 – March 4, 1825
Rob Bresnahan	Republican	8th	January 3, 2025 – present	Incumbent
Samuel A. Bridges	Democratic	6th	March 6, 1848 – March 4, 1849
		7th	March 4, 1853 – March 4, 1855
		10th	March 4, 1877 – March 4, 1879
John Brisbin	Democratic	11th	January 13, 1851 – March 4, 1851
Andrew R. Brodbeck	Democratic	20th	March 4, 1913 – March 4, 1915
			March 4, 1917 – March 4, 1919
J. Davis Brodhead	Democratic	26th	March 4, 1907 – March 4, 1909
Richard Brodhead	Democratic	10th	March 4, 1843 – March 4, 1849
Edward S. Brooks	Republican	20th	March 4, 1919 – March 4, 1923
J. Twing Brooks	Democratic	30th	March 4, 1933 – January 3, 1937
Jacob Broom	Know Nothing	4th	March 4, 1855 – March 4, 1857
John M. Broomall	Republican	7th	March 4, 1863 – March 4, 1869
Marriott Brosius	Republican	10th	March 4, 1889 – March 16, 1901	Died.
Charles Brown	Democratic	1st	March 4, 1841 – March 4, 1843
		3rd	March 4, 1847 – March 4, 1849
James W. Brown	Independent Republican	32nd	March 4, 1903 – March 4, 1905
Jeremiah Brown	Whig	4th	March 4, 1841 – March 4, 1843
		8th	March 4, 1843 – March 4, 1845
John Brown	Democratic-Republican	9th	March 4, 1821 – March 4, 1823
		12th	March 4, 1823 – March 4, 1825
Robert Brown	Democratic-Republican	4th	December 4, 1798 – March 4, 1803
		2nd	March 4, 1803 – March 4, 1813
		6th	March 4, 1813 – March 4, 1815
William W. Brown	Republican	16th	March 4, 1883 – March 4, 1887
D. Emmert Brumbaugh	Republican	23rd	November 2, 1943 – January 3, 1945
		22nd	January 3, 1945 – January 3, 1947
Charles N. Brumm	Greenback	13th	March 4, 1881 – March 4, 1885
	Republican		March 4, 1885 – March 4, 1889
			March 4, 1895 – March 4, 1899
		12th	November 6, 1906 – January 4, 1909	Resigned after being elected judge of the court of common pleas of Schuylkill County, Pennsylvania.
George F. Brumm	Republican	13th	March 4, 1923 – March 4, 1927
			March 4, 1929 – May 29, 1934	Died.
David B. Brunner	Democratic	9th	March 4, 1889 – March 4, 1893
Andrew Buchanan	Jacksonian	20th	March 4, 1835 – March 4, 1837
	Democratic		March 4, 1837 – March 4, 1839
Frank Buchanan	Democratic	33rd	May 21, 1946 – April 27, 1951	Died.
James Buchanan	Federalist	3rd	March 4, 1821 – March 4, 1823
		4th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1831
Vera Buchanan	Democratic	33rd	July 24, 1951 – January 3, 1953	Died.
		30th	January 3, 1953 – November 26, 1955
John C. Bucher	Jacksonian	6th	March 4, 1831 – March 4, 1833
Charles R. Buckalew	Democratic	11th	March 4, 1887 – March 4, 1889
		17th	March 4, 1889 – March 4, 1891
Joseph Buffington	Whig	24th	March 4, 1843 – March 4, 1847
Frank C. Bunnell	Republican	13th	December 24, 1872 – March 4, 1873
		15th	March 4, 1885 – March 4, 1889
George Burd	Anti-Jacksonian	13th	March 4, 1831 – March 4, 1833
		18th	March 4, 1833 – March 4, 1835
Henry Burk	Republican	3rd	March 4, 1901 – December 5, 1903	Died.
James F. Burke	Republican	31st	March 4, 1905 – March 4, 1915
William J. Burke	Republican	At-large	March 4, 1919 – March 4, 1923
Thomas Burnside	Democratic-Republican	9th	October 10, 1815 – April ???, 1816	Resigned to become President Judge of Luzerne District Courts.
Alvin Bush	Republican	15th	January 3, 1951 – January 3, 1953
		17th	January 3, 1953 – November 5, 1959	Died.
Robert G. Bushong	Republican	14th	March 4, 1927 – March 4, 1929
Chester P. Butler	Whig	11th	March 4, 1847 – October 5, 1850	Died.
Thomas S. Butler	Independent Republican	6th	March 4, 1897 – March 4, 1899
	Republican		March 4, 1899 – March 4, 1903
		7th	March 4, 1903 – March 4, 1923
		8th	March 4, 1923 – May 26, 1928	Died.
James A. Byrne	Democratic	3rd	January 3, 1953 – January 3, 1973
John Cadwalader	Democratic	5th	March 4, 1855 – March 4, 1857
Henry L. Cake	Republican	10th	March 4, 1867 – March 4, 1871
Samuel Calvin	Whig	17th	March 4, 1849 – March 4, 1851
Guy E. Campbell	Democratic	32nd	March 4, 1917 – March 4, 1923
	Republican	36th	March 4, 1923 – March 4, 1933
Howard E. Campbell	Republican	29th	January 3, 1945 – January 3, 1947
Jacob M. Campbell	Republican	17th	March 4, 1877 – March 4, 1879
			March 4, 1881 – March 4, 1887
James H. Campbell	Opposition	11th	March 4, 1855 – March 4, 1857
	Republican		March 4, 1859 – March 4, 1863
John H. Campbell	Know Nothing	3rd	March 4, 1845 – March 4, 1847
Christopher Carney	Democratic	10th	January 3, 2007 – January 3, 2011	Lost re-election.
Edmund N. Carpenter	Republican	12th	March 4, 1925 – March 4, 1927
Wooda N. Carr	Democratic	23rd	March 4, 1913 – March 4, 1915
Joseph L. Carrigg	Republican	14th	November 6, 1951 – January 3, 1953
		10th	January 3, 1953 – January 3, 1959
Matt Cartwright	Democratic	17th	January 3, 2013 – January 3, 2019	Redistricted.
		8th	January 3, 2019 – January 3, 2025	Lost re-election
John J. Casey	Democratic	11th	March 4, 1913 – March 4, 1917
			March 4, 1919 – March 4, 1921
		12th	March 4, 1923 – March 4, 1925
			March 4, 1927 – May 5, 1929	Died.
Joseph Casey	Whig	13th	March 4, 1849 – March 4, 1851
Henry B. Cassel	Republican	10th	November 5, 1901 – March 4, 1903
		9th	March 4, 1903 – March 4, 1909
George A. Castor	Republican	3rd	February 16, 1904 – February 19, 1906	Died.
Anthony Cavalcante	Democratic	23rd	January 3, 1949 – January 3, 1951
John Cessna	Republican	16th	March 4, 1869 – March 4, 1871
			March 4, 1873 – March 4, 1875
E. Wallace Chadwick	Republican	7th	January 3, 1947 – January 3, 1949
George Chambers	Anti-Masonic	12th	March 4, 1833 – March 4, 1837
Joseph R. Chandler	Whig	2nd	March 4, 1849 – March 4, 1855
Henry Chapman	Democratic	7th	March 4, 1857 – March 4, 1859
John Chapman	Federalist	4th	March 4, 1797 – March 4, 1799
J. Mitchell Chase	Republican	23rd	March 4, 1927 – March 4, 1933
Earl Chudoff	Democratic	4th	January 3, 1949 – January 5, 1958	Resigned to become judge of the Philadelphia Court of Common Pleas.
Frank M. Clark	Democratic	25th	January 3, 1955 – December 31, 1974
Henry A. Clark	Republican	25th	March 4, 1917 – March 4, 1919
William Clark	Anti-Masonic	10th	March 4, 1833 – March 4, 1837
Joseph Clay	Democratic-Republican	1st	March 4, 1803 – March 28, 1808	Resigned.
William F. Clinger Jr.	Republican	23rd	January 3, 1979 – January 3, 1993
		5th	January 3, 1993 – January 3, 1997
George Clymer	Pro-Administration	At-large	March 4, 1789 – March 4, 1791
Hiester Clymer	Democratic	8th	March 4, 1873 – March 4, 1881
Alexander G. Cochran	Democratic	23rd	March 4, 1875 – March 4, 1877
Thomas C. Cochran	Republican	28th	March 4, 1927 – March 4, 1933
		20th	March 4, 1933 – January 3, 1935
James H. Codding	Republican	15th	November 5, 1895 – March 4, 1899
Robert L. Coffey	Democratic	26th	January 3, 1949 – April 20, 1949	Died.
Alexander Hamilton Coffroth	Democratic	16th	March 4, 1863 – March 4, 1865
			February 19, 1866 – July 18, 1866	Successfully contested the election of his opponent.
		17th	March 4, 1879 – March 4, 1881
William H. Coleman	Republican	30th	March 4, 1915 – March 4, 1917
Francis D. Collins	Democratic	11th	March 4, 1875 – March 4, 1879
John Conard	Democratic-Republican	1st	March 4, 1803 – March 4, 1815
Charles R. Connell	Republican	10th	March 4, 1921 – September 26, 1922	Died.
William Connell	Republican	11th	March 4, 1897 – March 4, 1903
		10th	February 10, 1904 – March 4, 1905
Daniel W. Connolly	Democratic	12th	March 4, 1883 – March 4, 1885
James J. Connolly	Republican	5th	March 4, 1921 – January 3, 1935
William S. Conover	Republican	27th	April 25, 1972 – January 3, 1973
Frederick Conrad	Democratic-Republican	2nd	March 4, 1803 – March 4, 1807
Joel Cook	Republican	2nd	November 5, 1907 – December 15, 1910	Died.
Allen F. Cooper	Republican	23rd	March 4, 1903 – March 4, 1911
James Cooper	Whig	12th	March 4, 1839 – March 4, 1843
Thomas B. Cooper	Democratic	7th	March 4, 1861 – April 4, 1862
Robert J. Corbett	Republican	30th	January 3, 1939 – January 3, 1941
			January 3, 1945 – January 3, 1953
		29th	January 3, 1953 – January 3, 1963
Peter E. Costello	Republican	5th	March 4, 1915 – March 4, 1921
Ryan Costello	Republican	6th	January 3, 2015 – January 3, 2019	Retired.
Clarence D. Coughlin	Republican	11th	March 4, 1921 – March 4, 1923
R. Lawrence Coughlin	Republican	13th	January 3, 1969 – January 3, 1993
Richard Coulter	Jacksonian	17th	March 4, 1827 – March 4, 1833
		19th	March 4, 1833 – March 4, 1835
John Covode	Opposition	19th	March 4, 1855 – March 4, 1857
	Republican		March 4, 1857 – March 4, 1863
		21st	March 4, 1867 – March 4, 1869
			February 9, 1870 – January 11, 1871	Died.
William R. Coyle	Republican	30th	March 4, 1925 – March 4, 1927
			March 4, 1929 – March 4, 1933
James K. Coyne III	Republican	8th	January 3, 1981 – January 3, 1983
William J. Coyne	Democratic	14th	January 3, 1981 – January 3, 2003	Retired.
Thomas S. Crago	Republican	23rd	March 4, 1911 – March 4, 1913
		At-large	March 4, 1915 – March 4, 1921
			September 20, 1921 – March 4, 1923
Alexander K. Craig	Democratic	24th	February 26, 1892 – July 29, 1892	Died.
Samuel A. Craig	Republican	21st	March 4, 1889 – March 4, 1891
Nathaniel N. Craley Jr.	Democratic	19th	January 3, 1965 – January 3, 1967
Thomas Hartley Crawford	Jacksonian	11th	March 4, 1829 – March 4, 1833
William Crawford	Democratic-Republican	6th	March 4, 1809 – March 4, 1813
		5th	March 4, 1813 – March 4, 1817
John V. Creely	Republican	2nd	March 4, 1871 – March 4, 1873
Mark Critz	Democratic	12th	May 18, 2010 – January 3, 2013	Lost re-election.
William M. Croll	Democratic	14th	March 4, 1923 – March 4, 1925
Charles N. Crosby	Democratic	29th	March 4, 1933 – January 3, 1939
Edward Crouch	Democratic-Republican	3rd	October 12, 1813 – March 4, 1815
William J. Crow	Republican	23rd	January 3, 1947 – January 3, 1949
William C. Culbertson	Republican	26th	March 4, 1889 – March 4, 1891
Charles V. Culver	Republican	20th	March 4, 1865 – March 4, 1867
Herbert W. Cummings	Democratic	17th	March 4, 1923 – March 4, 1925
Andrew G. Curtin	Democratic	20th	March 4, 1881 – March 4, 1887
Willard S. Curtin	Republican	8th	January 3, 1957 – January 3, 1967
Carlton B. Curtis	Democratic	23rd	March 4, 1851 – March 4, 1853
		24th	March 4, 1853 – March 4, 1855
	Republican	19th	March 4, 1873 – March 4, 1875
Paul B. Dague	Republican	9th	January 3, 1947 – December 30, 1966	Resigned.
Kathy Dahlkemper	Democratic	3rd	January 3, 2009 – January 3, 2011	Lost re-election.
Thomas H. Dale	Republican	10th	March 4, 1905 – March 4, 1907
J. Burrwood Daly	Democratic	4th	January 3, 1935 – March 12, 1939	Died.
John Dalzell	Republican	22nd	March 4, 1887 – March 4, 1903
		30th	March 4, 1903 – March 4, 1913
Joel B. Danner	Democratic	15th	December 2, 1850 – March 4, 1851
Edward Darlington	Anti-Masonic	4th	March 4, 1833 – March 4, 1839
Isaac Darlington	Federalist	2nd	March 4, 1817 – March 4, 1819
Smedley Darlington	Republican	6th	March 4, 1887 – March 4, 1891
William Darlington	Democratic-Republican	2nd	March 4, 1815 – March 4, 1817
			March 4, 1819 – March 4, 1823
Cornelius Darragh	Whig	21st	March 26, 1844 – March 4, 1847
George P. Darrow	Republican	6th	March 4, 1915 – March 4, 1923
		7th	March 4, 1923 – January 3, 1937
			January 3, 1939 – January 3, 1941
Harry J. Davenport	Democratic	29th	January 3, 1949 – January 3, 1951
Samuel A. Davenport	Republican	At-large	March 4, 1897 – March 4, 1901
Stanley W. Davenport	Democratic	12th	March 4, 1899 – March 4, 1901
Edward Davies	Anti-Masonic	4th	March 4, 1837 – March 4, 1841
John Davis	Democratic	6th	March 4, 1839 – March 4, 1841
Robert L. Davis	Republican	6th	November 8, 1932 – March 4, 1933
Roger Davis	Democratic-Republican	2nd	March 4, 1811 – March 4, 1813
		3rd	March 4, 1813 – March 4, 1815
William M. Davis	Republican	5th	March 4, 1861 – March 4, 1863
John L. Dawson	Democratic	18th	March 4, 1851 – March 4, 1853
		20th	March 4, 1853 – March 4, 1855
		21st	March 4, 1863 – March 4, 1867
Madeleine Dean	Democratic	4th	January 3, 2019 – present	Incumbent
Peter J. De Muth	Democratic	30th	January 3, 1937 – January 3, 1939
Elias Deemer	Republican	16th	March 4, 1901 – March 4, 1903
		15th	March 4, 1903 – March 4, 1907
Chris Deluzio	Democratic	17th	January 3, 2023 – present	Incumbent
Charles Denison	Democratic	12th	March 4, 1863 – June 27, 1867	Died.
George Denison	Democratic-Republican	10th	March 4, 1819 – March 4, 1823
Harmar Denny	Anti-Masonic	16th	December 15, 1829 – March 4, 1833
		22nd	March 4, 1833 – March 4, 1837
Harmar D. Denny Jr.	Republican	29th	January 3, 1951 – January 3, 1953
Charlie Dent	Republican	15th	January 3, 2005 – May 12, 2018	Resigned.
John H. Dent	Democratic	21st	January 21, 1958 – January 3, 1979
Franklin L. Dershem	Democratic	17th	March 4, 1913 – March 4, 1915
Arthur G. Dewalt	Democratic	13th	March 4, 1915 – March 4, 1921
Lewis Dewart	Jacksonian	9th	March 4, 1831 – March 4, 1833
William L. Dewart	Democratic	11th	March 4, 1857 – March 4, 1859
John Dick	Whig	25th	March 4, 1853 – March 4, 1855
	Opposition		March 4, 1855 – March 4, 1857
	Republican		March 4, 1857 – March 4, 1859
Samuel B. Dick	Republican	26th	March 4, 1879 – March 4, 1881
Charles H. Dickerman	Democratic	16th	March 4, 1903 – March 4, 1905
Jesse C. Dickey	Whig	7th	March 4, 1849 – March 4, 1851
John Dickey	Whig	20th	March 4, 1843 – March 4, 1845
			March 4, 1847 – March 4, 1849
Oliver J. Dickey	Republican	9th	December 7, 1868 – March 4, 1873
Charles E. Dietrich	Democratic	15th	January 3, 1935 – January 3, 1937
Robert E. Difenderfer	Democratic	8th	March 4, 1911 – March 4, 1915
Milo M. Dimmick	Democratic	10th	March 4, 1849 – March 4, 1853
William H. Dimmick	Democratic	13th	March 4, 1857 – March 4, 1861
Davis Dimock Jr.	Democratic	17th	March 4, 1841 – January 13, 1842	Died.
J. William Ditter	Republican	17th	March 4, 1933 – November 21, 1943	Died.
Joseph B. Donley	Republican	24th	March 4, 1869 – March 4, 1871
Michael Donohoe	Democratic	5th	March 4, 1911 – March 4, 1915
Frank J. G. Dorsey	Democratic	5th	January 3, 1935 – January 3, 1939
Charles F. Dougherty	Republican	4th	January 3, 1979 – January 3, 1983
Isaac H. Doutrich	Democratic	19th	March 4, 1927 – January 3, 1937
Michael F. Doyle	Democratic	18th	January 3, 1995 – January 3, 2003	Redistricted.
		14th	January 3, 2003 – January 3, 2019	Redistricted.
		18th	January 3, 2019 – December 31, 2022	Retired and resigned early.
Solomon R. Dresser	Republican	21st	March 4, 1903 – March 4, 1907
Ira W. Drew	Democratic	7th	January 3, 1937 – January 3, 1939
Denis J. Driscoll	Democratic	20th	January 3, 1935 – January 3, 1937
Augustus Drum	Democratic	19th	March 4, 1853 – March 4, 1855
William A. Duncan	Democratic	19th	March 4, 1883 – November 14, 1884	Died.
Matthew A. Dunn	Democratic	34th	March 4, 1933 – January 3, 1941
Herman P. Eberharter	Democratic	32nd	January 3, 1937 – January 3, 1943	Died.
		31st	January 3, 1943 – January 3, 1945
		32nd	January 3, 1945 – January 3, 1953
		28th	January 3, 1953 – September 9, 1958
Charles R. Eckert	Democratic	26th	January 3, 1935 – January 3, 1939
George N. Eckert	Whig	14th	March 4, 1847 – March 4, 1849
Robert W. Edgar	Democratic	7th	January 3, 1975 – January 3, 1987
John R Edie	Opposition	18th	March 4, 1855 – March 4, 1857
	Republican		March 4, 1857 – March 4, 1859
George W. Edmonds	Republican	4th	March 4, 1913 – March 4, 1925
			March 4, 1933 – January 3, 1935
John Edwards	Anti-Masonic	4th	March 4, 1839 – March 4, 1841
	Whig		March 4, 1841 – March 4, 1843
Samuel Edwards	Federalist	1st	March 4, 1819 – March 4, 1823
		4th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1827
Albert G. Egbert	Democratic	27th	March 4, 1875 – March 4, 1877
George Ege	Federalist	5th	December 8, 1796 – October ???, 1797	Resigned.
Joshua Eilberg	Democratic	4th	January 3, 1967 – January 3, 1979
Henry Ellenbogen	Democratic	33rd	March 4, 1933 – January 3, 1938	Resigned to become a judge of common pleas for Allegheny County, PA
Douglas H. Elliott	Republican	18th	April 26, 1960 – June 19, 1960	Died.
Mortimer F. Elliott	Democratic	At-large	March 4, 1883 – March 4, 1885
William Cox Ellis	Federalist	9th	March 4, 1823 – March 4, 1825
Phil English	Republican	21st	January 3, 1995 – January 3, 2003
		3rd	January 3, 2003 – January 3, 2009
Constantine J. Erdman	Democratic	9th	March 4, 1893 – March 4, 1897
Jacob Erdman	Democratic	6th	March 4, 1845 – March 4, 1847
Edmund F. Erk	Republican	32nd	November 4, 1930 – March 4, 1933
Daniel Ermentrout	Democratic	8th	March 4, 1881 – March 4, 1889
		9th	March 4, 1897 – September 17, 1899	Died.
Russell Errett	Republican	22nd	March 4, 1877 – March 4, 1883
Allen E. Ertel	Democratic	17th	January 3, 1977 – January 3, 1983
Edwin D. Eshleman	Republican	16th	January 3, 1967 – January 3, 1977
Harry A. Estep	Republican	35th	March 4, 1927 – March 4, 1933
Charles J Esterly	Republican	14th	March 4, 1925 – March 4, 1927
			March 4, 1929 – March 4, 1931
Alvin Evans	Republican	20th	March 4, 1901 – March 4, 1903
		19th	March 4, 1903 – March 4, 1905
Dwight Evans	Democratic	2nd	November 8, 2016 – January 3, 2019	Redistricted.
		3rd	January 3, 2019 – present	Incumbent
Isaac N Evans	Republican	7th	March 4, 1877 – March 4, 1879
			March 4, 1883 – March 4, 1887
Joshua Evans Jr.	Jacksonian	4th	March 4, 1829 – March 4, 1833
James B. Everhart	Republican	6th	March 4, 1883 – March 4, 1887
William Everhart	Whig	6th	March 4, 1853 – March 4, 1855
John H. Ewing	Whig	20th	March 4, 1845 – March 4, 1847
Charles I. Faddis	Democratic	25th	March 4, 1933 – December 4, 1942	Resigned to join the US Army.
John R. Farr	Republican	10th	March 4, 1911 – March 4, 1919
			February 25, 1921 – March 4, 1921	Successfully contested the election of Patrick McLane.
John W. Farrelly	Whig	22nd	March 4, 1847 – March 4, 1849
Patrick Farrelly	Democratic-Republican	15th	March 4, 1821 – March 4, 1823	Died.
		18th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – January 12, 1826
Chaka Fattah	Democratic	2nd	January 3, 1995 – June 23, 2016	Resigned due to conviction of corruption charges.
Clare G. Fenerty	Republican	3rd	January 3, 1935 – January 3, 1937
Ivor D. Fenton	Republican	13th	January 3, 1939 – January 3, 1945
		12th	January 3, 1945 – January 3, 1963
John Findlay	Democratic-Republican	5th	October 9, 1821 – March 4, 1823
		11th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1827
William Findley	Anti-Administration	8th	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Democratic-Republican	11th	March 4, 1795 – March 4, 1799
		8th	March 4, 1803 – March 4, 1813
		11th	March 4, 1813 – March 4, 1817
Darwin A. Finney	Republican	20th	March 4, 1867 – August 25, 1868	Died.
Horatio G. Fisher	Republican	18th	March 4, 1879 – March 4, 1883
Brian Fitzpatrick	Republican	8th	January 3, 2017 – January 3, 2019	Redistricted.
		1st	January 3, 2019 – present	Incumbent
Mike Fitzpatrick	Republican	8th	January 3, 2005 – January 3, 2007	Lost re-election.
			January 3, 2011 – January 3, 2017	Retired.
Thomas Fitzsimons	Pro-Administration	At-large	March 4, 1789 – March 4, 1791	Redistricted.
		1st	March 4, 1791 – March 3, 1793	Redistricted.
		At-large	March 4, 1793 – March 4, 1795	Lost re-election.
J. Harold Flannery	Democratic	12th	January 3, 1937 – January 3, 1942	Resigned to become judge of common pleas of Luzerne County, Pennsylvania.
George W. Fleeger	Republican	26th	March 4, 1885 – March 4, 1887
Daniel Flood	Democratic	11th	January 3, 1945 – January 3, 1947
			January 3, 1949 – January 3, 1953
			January 3, 1955 – January 31, 1980	Resigned due to allegations of bribery.
Thomas B. Florence	Democratic	1st	March 4, 1851 – March 4, 1861
Benjamin K. Focht	Republican	17th	March 4, 1907 – March 4, 1913
			March 4, 1915 – March 4, 1923
		18th	March 4, 1933 – March 27, 1937
Robert H. Foerderer	Republican	At-large	March 4, 1901 – March 4, 1903	Died.
		4th	March 4, 1903 – July 26, 1903
Thomas M. Foglietta	Democratic	1st	January 3, 1981 – November 11, 1997	Resigned to become Ambassador to Italy.
James Ford	Jacksonian	9th	March 4, 1829 – March 4, 1833
Joseph Fornance	Democratic	5th	March 4, 1839 – March 4, 1843
Thomas Forrest	Federalist	1st	March 4, 1819 – March 4, 1821
			October 8, 1822 – March 4, 1823
Chauncey Forward	Jacksonian	13th	December 4, 1826 – March 4, 1831
Walter Forward	Democratic-Republican	14th	October 8, 1822 – March 4, 1823
		16th	March 4, 1823 – March 4, 1825
Henry D Foster	Democratic	19th	March 4, 1843 – March 4, 1847
		21st	March 4, 1871 – March 4, 1873
William W. Foulkrod	Republican	5th	March 4, 1907 – November 13, 1910	Died.
Jon D. Fox	Republican	13th	January 3, 1995 – January 3, 1999
John Freedley	Whig	5th	March 4, 1847 – March 4, 1851
Chapman Freeman	Republican	1st	March 4, 1875 – March 4, 1879
Oliver W. Frey	Democratic	9th	November 7, 1933 – January 3, 1939
Henry Frick	Whig	13th	March 4, 1843 – March 1, 1844	Died.
Jacob Fry Jr.	Jacksonian	5th	March 4, 1835 – March 4, 1837
	Democratic		March 4, 1837 – March 4, 1839
Joseph Fry Jr.	Jacksonian	7th	March 4, 1827 – March 4, 1831
George Fuller	Democratic	12th	December 2, 1844 – March 4, 1845
Henry M Fuller	Whig	11th	March 4, 1851 – March 4, 1853
	Opposition	12th	March 4, 1855 – March 4, 1857
David Fullerton	Democratic-Republican	5th	March 4, 1819 – May 15, 1820	Resigned.
James G. Fulton	Republican	31st	January 3, 1945 – January 3, 1953	Died.
		27th	January 3, 1953 – October 6, 1971
Grant Furlong	Democratic	25th	January 3, 1943 – January 3, 1945
John Galbraith	Jacksonian	25th	March 4, 1833 – March 4, 1837
	Democratic		March 4, 1839 – March 4, 1841
James A. Gallagher	Republican	1st	January 3, 1943 – January 3, 1945
			January 3, 1947 – January 3, 1949
Albert Gallatin	Democratic-Republican	12th	March 4, 1795 – March 4, 1801
James Gamble	Democratic	13th	March 4, 1851 – March 4, 1853
		15th	March 4, 1853 – March 4, 1855
Mahlon M. Garland	Republican	At-large	March 4, 1915 – November 19, 1920	Died.
Alfred B. Garner	Republican	12th	March 4, 1909 – March 4, 1911
Fred C. Gartner	Republican	5th	March 4, 1939 – March 4, 1941
William S. Garvin	Democratic	22nd	March 4, 1845 – March 4, 1847
Athelston Gaston	Democratic	26th	March 4, 1899 – March 4, 1901
Leon H. Gavin	Republican	20th	January 3, 1943 – January 3, 1945
		19th	January 3, 1945 – January 3, 1953
		23rd	January 3, 1953 – September 15, 1963
Joseph M. Gaydos	Democratic	20th	November 5, 1968 – January 3, 1993
George Gekas	Republican	17th	January 3, 1983 – January 3, 2003
Charles L. Gerlach	Republican	9th	January 3, 1939 – January 3, 1945
		8th	January 3, 1945 – May 5, 1947
Jim Gerlach	Republican	6th	January 3, 2003 – January 3, 2015
Fred B. Gernerd	Republican	13th	March 4, 1921 – March 4, 1923
James Gerry	Democratic	11th	March 4, 1839 – March 4, 1843
James L. Getz	Democratic	8th	March 4, 1867 – March 4, 1873
James H. Gildea	Democratic	13th	January 3, 1935 – January 3, 1939
Calvin W. Gilfillan	Republican	20th	March 4, 1869 – March 4, 1871
Eugene P. Gillespie	Democratic	25th	March 4, 1891 – March 4, 1893
Wilson D. Gillette	Republican	15th	November 4, 1941 – January 3, 1945	Died.
		14th	January 3, 1945 – August 7, 1951
James L. Gillis	Democratic	24th	March 4, 1857 – March 4, 1859
Alfred Gilmore	Democratic	24th	March 4, 1849 – March 4, 1853
John Gilmore	Jacksonian	16th	March 4, 1829 – March 4, 1833
Don H. Gingery	Democratic	23rd	January 3, 1935 – January 3, 1939
Hugh Glasgow	Democratic-Republican	4th	March 4, 1813 – March 4, 1817
Samuel F. Glatfelter	Democratic	22nd	March 4, 1923 – March 4, 1925
John Gloninger	Federalist	3rd	March 4, 1813 – August 2, 1813	Resigned after being appointed associate judge of Lebanon County.
Adam J. Glossbrenner	Democratic	15th	March 4, 1865 – March 4, 1869
William Godshalk	Republican	7th	March 4, 1879 – March 4, 1883
Benjamin M. Golder	Republican	4th	March 4, 1925 – March 4, 1933
George A Goodling	Republican	19th	January 3, 1961 – January 3, 1965
			January 3, 1967 – January 3, 1975
William F. Goodling	Republican	19th	January 3, 1975 – January 3, 2001
George S. Graham	Republican	2nd	March 4, 1913 – July 4, 1931	Died.
Louis E. Graham	Republican	26th	January 3, 1939 – January 3, 1945
		25th	January 3, 1945 – January 3, 1955
William H. Graham	Republican	23rd	November 29, 1898 – March 4, 1903
		29th	March 4, 1905 – March 4, 1911
Kathryn E. Granahan	Democratic	2nd	November 6, 1956 – January 3, 1963
William T. Granahan	Democratic	2nd	January 3, 1945 – January 3, 1947
			January 3, 1949 – May 25, 1956	Died.
Joseph A. Gray	Democratic	27th	January 3, 1935 – January 3, 1939
William H. Gray	Democratic	2nd	January 3, 1979 – September 11, 1991	Resigned.
Henry D. Green	Democratic	9th	November 7, 1899 – March 4, 1903
Innis Green	Jacksonian	6th	March 4, 1827 – March 4, 1831
William J. Green, Jr.	Democratic	5th	January 3, 1945 – January 3, 1947
			January 3, 1949 – December 21, 1963	Died.
William J. Green III	Democratic	5th	April 28, 1964 – January 3, 1973
		3rd	January 3, 1973 – January 3, 1977
James C. Greenwood	Republican	8th	January 3, 1993 – January 3, 2005
Andrew Gregg	Anti-Administration	6th	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Democratic-Republican	9th	March 4, 1795 – March 4, 1803
		5th	March 4, 1803 – March 4, 1807
Curtis H. Gregg	Democratic	22nd	March 4, 1911 – March 4, 1913
William W Griest	Republican	9th	March 4, 1909 – March 4, 1923	Died.
		10th	March 4, 1923 – December 5, 1929
Isaac Griffin	Democratic-Republican	13th	May 13, 1813 – March 4, 1817
Samuel Griffith	Democratic	20th	March 4, 1871 – March 4, 1873
Matthew Griswold	Republican	26th	March 4, 1891 – March 4, 1893
			March 4, 1895 – March 4, 1897
Chester H. Gross	Republican	22nd	January 3, 1939 – January 3, 1941
			January 3, 1943 – January 3, 1945
		21st	January 3, 1945 – January 3, 1949
Samuel Gross	Democratic-Republican	2nd	March 4, 1819 – March 4, 1823
Galusha A. Grow	Democratic	12th	March 4, 1851 – March 4, 1853
		14th	March 4, 1853 – March 4, 1857
	Republican		March 4, 1857 – March 4, 1863
		At-large	February 26, 1894 – March 4, 1903
Amos Gustine	Democratic	13th	March 4, 1841 – March 4, 1843
John Hahn	Democratic-Republican	2nd	March 4, 1815 – March 4, 1817
Harry L. Haines	Democratic	22nd	March 4, 1931 – January 3, 1939
			January 3, 1941 – January 3, 1943
Richard J. Haldeman	Democratic	15th	March 4, 1869 – March 4, 1873
James T. Hale	Republican	15th	March 4, 1859 – March 4, 1863
	Independent Republican	18th	March 4, 1863 – March 4, 1865
Chapin Hall	Republican	24th	March 4, 1859 – March 4, 1861
James K. P. Hall	Democratic	28th	March 4, 1899 – November 29, 1902	Resigned after being elected to the Pennsylvania State Senate.
Norman Hall	Democratic	26th	March 4, 1887 – March 4, 1889
Edwin Hallowell	Democratic	7th	March 4, 1891 – March 4, 1893
Frederick Halterman	Republican	3rd	March 4, 1895 – March 4, 1897
John Hamilton	Democratic-Republican	10th	March 4, 1805 – March 4, 1807
Robert H. Hammond	Democratic	16th	March 4, 1837 – March 4, 1841
Moses Hampton	Whig	21st	March 4, 1847 – March 4, 1851
John A. Hanna	Democratic-Republican	6th	March 4, 1797 – March 4, 1803	Died.
		4th	March 4, 1803 – July 23, 1805
Alfred C. Harmer	Republican	5th	March 4, 1871 – March 4, 1875
			March 4, 1877 – March 6, 1900	Died.
James Harper	Anti-Jacksonian	2nd	March 4, 1833 – March 4, 1837
Robert Harris	Democratic-Republican	6th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1827
Frank G. Harrison	Democratic	11th	January 3, 1983 – January 3, 1985
Samuel S. Harrison	Jacksonian	23rd	March 4, 1833 – March 4, 1837
Joseph J. Hart	Democratic	8th	March 4, 1895 – March 4, 1897
Melissa Hart	Republican	4th	January 3, 2001 – January 3, 2007
Thomas Hartley	Pro-Administration	At-large	March 4, 1789 – March 4, 1791	Died.
		7th	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Federalist	8th	March 4, 1795 – December 21, 1800
Jesse L. Hartman	Republican	19th	March 4, 1911 – March 4, 1913
Samuel Hays	Democratic	22nd	March 4, 1843 – March 4, 1845
James M. Hazlett	Republican	1st	March 4, 1927 – October 20, 1927	Resigned.
Robert D. Heaton	Republican	12th	March 4, 1915 – March 4, 1919
Daniel B Heiner	Republican	21st	March 4, 1893 – March 4, 1897
H. John Heinz III	Republican	18th	November 2, 1971 – January 3, 1977
Joseph Hemphill	Federalist	3rd	March 4, 1801 – March 4, 1803
		1st	March 4, 1819 – March 4, 1823	Resigned.
		2nd	March 4, 1823 – 1826
	Jacksonian		March 4, 1829 – March 4, 1831
Joseph Henderson	Jacksonian	14th	March 4, 1833 – March 4, 1837
Samuel Henderson	Federalist	2nd	October 11, 1814 – March 4, 1815
Thomas Henry	Anti-Masonic	24th	March 4, 1837 – March 4, 1841
	Whig		March 4, 1841 – March 4, 1843
Jacob Hibshman	Democratic-Republican	3rd	March 4, 1819 – March 4, 1821
John Hickman	Democratic	6th	March 4, 1855 – March 4, 1859
	Anti-Lecompton Democratic		March 4, 1859 – March 4, 1861
	Republican		March 4, 1861 – March 4, 1863
Josiah D. Hicks	Republican	20th	March 4, 1893 – March 4, 1899
John A. Hiestand	Republican	9th	March 4, 1885 – March 4, 1889
Daniel Hiester	Anti-Administration	At-large	March 4, 1789 – March 4, 1791	Resigned.
		4th	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Democratic-Republican	5th	March 4, 1795 – July 1, 1796
Daniel Hiester	Democratic-Republican	3rd	March 4, 1809 – March 4, 1811
Isaac E. Hiester	Whig	9th	March 4, 1853 – March 4, 1855
John Hiester	Democratic-Republican	3rd	March 4, 1807 – March 4, 1809
Joseph Hiester	Democratic-Republican	5th	December 1, 1797 – March 4, 1803
		3rd	March 4, 1803 – March 4, 1805
		7th	March 4, 1815 – December ????, 1820
William Hiester	Anti-Masonic	4th	March 4, 1831 – March 4, 1837
William H. Hines	Democratic	12th	March 4, 1893 – March 4, 1895
Daniel K. Hoch	Democratic	14th	January 3, 1943 – January 3, 1945
		13th	January 3, 1945 – January 3, 1947
Joe Hoeffel	Democratic	13th	January 3, 1999 – January 3, 2005
Carl H. Hoffman	Republican	23rd	May 21, 1946 – January 3, 1947
John Hoge	Democratic-Republican	10th	November 2, 1804 – March 4, 1805
William Hoge	Democratic-Republican	12th	March 4, 1801 – March 4, 1803	Resigned.
		10th	March 4, 1803 – October 15, 1804
			March 4, 1807 – March 4, 1809
Tim Holden	Democratic	6th	January 3, 1993 – January 3, 2003	Redistricted.
		17th	January 3, 2003 – January 3, 2013	Lost renomination.
Elmer J. Holland	Democratic	33rd	May 19, 1942 – January 3, 1943
		30th	January 24, 1956 – January 3, 1963
		20th	January 3, 1963 – August 9, 1968
Enos Hook	Democratic	20th	March 4, 1839 – April 18, 1841	Resigned.
Albert C. Hopkins	Republican	16th	March 4, 1891 – March 4, 1895
James H Hopkins	Democratic	22nd	March 4, 1875 – March 4, 1877
			March 4, 1883 – March 4, 1885
Joseph Hopkinson	Federalist	1st	March 4, 1815 – March 4, 1819
Robert F. Hopwood	Republican	23rd	March 4, 1915 – March 4, 1917
Henry Horn	Jacksonian	2nd	March 4, 1831 – March 4, 1833
John W. Hornbeck	Whig	6th	March 4, 1847 – January 16, 1848	Died.
Jacob Hostetter	Democratic-Republican	4th	November 16, 1818 – March 4, 1821
Chrissy Houlahan	Democratic	6th	January 3, 2019 – present	Incumbent
John W. Howe	Free Soil	22nd	March 4, 1849 – March 4, 1851
	Whig		March 4, 1851 – March 4, 1853
Thomas M Howe	Whig	21st	March 4, 1851 – March 4, 1853
		22nd	March 4, 1853 – March 4, 1855
George Howell	Democratic	10th	March 4, 1903 – February 10, 1904	Lost election contest to William Connell.
Edward B Hubley	Jacksonian	8th	March 4, 1835 – March 4, 1837
	Democratic		March 4, 1837 – March 4, 1839
George F Huff	Republican	21st	March 4, 1891 – March 4, 1893
		At-large	March 4, 1895 – March 4, 1897
		22nd	March 4, 1903 – March 4, 1911
Willis J. Hulings	Progressive	28th	March 4, 1913 – March 4, 1915
	Republican		March 4, 1919 – March 4, 1921
John M. Hyneman	Democratic-Republican	3rd	March 4, 1811 – March 4, 1813	Resigned.
		7th	March 4, 1813 – August 2, 1813
Peter Ihrie, Jr.	Jacksonian	8th	October 13, 1829 – March 4, 1833
Charles J Ingersoll	Democratic-Republican	1st	March 4, 1813 – March 4, 1815
	Democratic	3rd	March 4, 1841 – March 4, 1843
		4th	March 4, 1843 – March 4, 1849
Joseph R Ingersoll	Anti-Jacksonian	2nd	March 4, 1835 – March 4, 1837
	Whig		October 12, 1841 – March 4, 1849
Samuel D. Ingham	Democratic-Republican	6th	March 4, 1813 – July 6, 1818	Resigned.
			October 8, 1822 – March 4, 1823
Alexander Irvin	Whig	24th	March 4, 1847 – March 4, 1849
James Irvin	Whig	14th	March 4, 1841 – March 4, 1843
		17th	March 4, 1843 – March 4, 1845
William Irvine	Anti-Administration	At-large	March 4, 1793 – March 4, 1795
Jared Irwin	Democratic-Republican	10th	March 4, 1813 – March 4, 1817
Thomas Irwin	Jacksonian	14th	March 4, 1829 – March 4, 1831
William W. Irwin	Whig	22nd	March 4, 1841 – March 4, 1843
Summers M. Jack	Republican	21st	March 4, 1899 – March 4, 1903
William Jack	Democratic	23rd	March 4, 1841 – March 4, 1843
Oscar L. Jackson	Republican	24th	March 4, 1885 – March 4, 1889
Israel Jacobs	Pro-Administration	3rd	March 4, 1791 – March 4, 1793
Cornelius C. Jadwin	Republican	15th	March 4, 1881 – March 4, 1883
Benjamin F. James	Republican	7th	January 3, 1949 – January 3, 1959
Francis James	Anti-Masonic	4th	March 4, 1839 – March 4, 1841
	Whig		March 4, 1841 – March 4, 1843
Benjamin Jarrett	Republican	20th	January 3, 1937 – January 3, 1943
Mitchell Jenkins	Republican	11th	January 3, 1947 – January 3, 1949
Robert Jenkins	Federalist	3rd	March 4, 1807 – March 4, 1811
George A. Jenks	Democratic	25th	March 4, 1875 – March 4, 1877
Michael H. Jenks	Whig	6th	March 4, 1843 – March 4, 1845
Albert W. Johnson	Republican	23rd	November 5, 1963 – January 3, 1977
Philip Johnson	Democratic	13th	March 4, 1861 – March 4, 1863	Died.
		11th	March 4, 1863 – January 29, 1867
Evan J. Jones	Republican	21st	March 4, 1919 – March 4, 1923
J Glancy Jones	Democratic	9th	March 4, 1851 – March 4, 1853
		8th	February 4, 1854 – October 30, 1858	Resigned to become Minister to Austria.
Owen Jones	Democratic	5th	March 4, 1857 – March 4, 1859
William Jones	Democratic-Republican	1st	March 4, 1801 – March 4, 1803
Edwin J. Jorden	Republican	15th	February 23, 1895 – March 4, 1895
John Joyce	Republican	13th	January 3, 2019 – present	Incumbent
Benjamin F. Junkin	Republican	16th	March 4, 1859 – March 4, 1861
Paul E. Kanjorski	Democratic	11th	January 3, 1985 – January 3, 2011
Carroll D. Kearns	Republican	28th	January 3, 1947 – January 3, 1953
		24th	January 3, 1953 – January 3, 1963
George M. Keim	Democratic	9th	March 17, 1838 – March 4, 1843
William H. Keim	Republican	8th	December 7, 1858 – March 4, 1859
Abraham L. Keister	Republican	22nd	March 4, 1913 – March 4, 1917
Fred Keller	Republican	12th	May 21, 2019 – January 3, 2023	Retired.
Augustine B. Kelley	Democratic	28th	January 3, 1941 – January 3, 1945	Died.
		27th	January 3, 1945 – January 3, 1953
		21st	January 3, 1953 – November 20, 1957
William D. Kelley	Republican	4th	March 4, 1861 – January 9, 1890	Died.
James Kelly	Federalist	6th	March 4, 1805 – March 4, 1809
Mike Kelly	Republican	3rd	January 3, 2011 – January 3, 2019	Redistricted.
		16th	January 3, 2019 – present	Incumbent
M. Clyde Kelly	Republican	30th	March 4, 1913 – March 4, 1915
	Progressive		March 4, 1917 – March 4, 1919
	Republican		March 4, 1919 – March 4, 1923
		33rd	March 4, 1923 – January 3, 1933
		31st	March 4, 1933 – January 3, 1935
Samuel A Kendall	Republican	23rd	March 4, 1919 – March 4, 1923	Died.
		24th	March 4, 1923 – January 8, 1933
Everett Kent	Democratic	30th	March 4, 1923 – March 4, 1925
			March 4, 1927 – March 4, 1929
James Kerr	Democratic	28th	March 4, 1889 – March 4, 1891
Winthrop W. Ketcham	Republican	12th	March 4, 1875 – July 19, 1876	Resigned after being appointed judge of the United States District Court for the Western District of Pennsylvania.
Edgar R Kiess	Republican	15th	March 4, 1913 – March 4, 1923	Died.
		16th	March 4, 1923 – July 20, 1930
John W Killinger	Republican	10th	March 4, 1859 – March 4, 1863
			March 4, 1871 – March 4, 1875
		14th	March 4, 1877 – March 4, 1881
Adam King	Jacksonian	10th	March 4, 1827 – March 4, 1833
Henry King	Jacksonian	7th	March 4, 1831 – March 4, 1833
		8th	March 4, 1833 – March 4, 1835
Karl C. King	Republican	8th	November 6, 1951 – January 3, 1957
J. Roland Kinzer	Republican	10th	January 28, 1930 – January 3, 1945
		9th	January 3, 1945 – January 3, 1947
George W Kipp	Democratic	14th	March 4, 1907 – March 4, 1909
			March 4, 1911 – July 24, 1911	Died.
William H. Kirkpatrick	Republican	26th	March 4, 1921 – March 4, 1923
William S. Kirkpatrick	Republican	8th	March 4, 1897 – March 4, 1899
John W. Kittera	Pro-Administration	5th	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Federalist	7th	March 4, 1795 – March 3, 1801
Thomas Kittera	Anti-Jacksonian	2nd	October 26, 1826 – March 4, 1827
I. Clinton Kline	Republican	16th	March 4, 1921 – March 4, 1923
Marcus C. L. Kline	Democratic	13th	March 4, 1903 – March 4, 1907
John Klingensmith, Jr.	Jacksonian	19th	March 4, 1835 – March 4, 1837
	Democratic		March 4, 1837 – March 4, 1839
Ron Klink	Democratic	4th	January 3, 1993 – January 3, 2001
Robert Klotz	Democratic	11th	March 4, 1879 – March 4, 1883
Jonathan Knight	Opposition	20th	March 4, 1855 – March 4, 1857
Joseph P. Kolter	Democratic	4th	January 3, 1983 – January 3, 1993
William H. Koontz	Republican	16th	July 18, 1866 – March 4, 1869
Peter H. Kostmayer	Democratic	8th	January 3, 1977 – January 3, 1981
			January 3, 1983 – January 3, 1993
Jacob Krebs	Jacksonian	7th	December 4, 1826 – March 4, 1827
Aaron S. Kreider	Republican	18th	March 4, 1913 – March 4, 1923
George Kremer	Democratic-Republican	9th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1829
George F. Kribbs	Democratic	28th	March 4, 1891 – March 4, 1895
Joseph H. Kuhns	Whig	19th	March 4, 1851 – March 4, 1853
Monroe H. Kulp	Republican	17th	March 4, 1895 – March 4, 1899
John Christian Kunkel	Opposition	10th	March 4, 1855 – March 4, 1857
	Republican		March 4, 1857 – March 4, 1859
John C. Kunkel	Republican	19th	January 3, 1939 – January 3, 1945
		18th	January 3, 1945 – January 3, 1951
		16th	May 16, 1961 – December 30, 1966	Resigned.
J Banks Kurtz	Republican	21st	March 4, 1923 – March 4, 1933
		23rd	March 4, 1933 – January 3, 1935
William H Kurtz	Democratic	15th	March 4, 1851 – March 4, 1853
		16th	March 4, 1853 – March 4, 1855
Abner Lacock	Democratic-Republican	11th	March 4, 1811 – March 4, 1813
Daniel F. Lafean	Republican	20th	March 4, 1903 – March 4, 1913
		At-large	March 4, 1915 – March 4, 1917
John A. Lafore, Jr.	Republican	13th	November 5, 1957 – January 3, 1961
Conor Lamb	Democratic	18th	March 13, 2018 – January 3, 2019	Switched districts.
		17th	January 3, 2019 – January 3, 2023	Retired to run for U.S. senator.
James Landy	Democratic	3rd	March 4, 1857 – March 4, 1859
J. N. Langham	Republican	27th	March 4, 1909 – March 4, 1915
John Laporte	Jacksonian	17th	March 4, 1833 – March 4, 1837
George V. E Lawrence	Republican	24th	March 4, 1865 – March 4, 1869
			March 4, 1883 – March 4, 1885
Joseph Lawrence	Anti-Jacksonian	15th	March 4, 1825 – March 4, 1829
	Whig	21st	March 4, 1841 – April 17, 1842	Died.
Jesse Lazear	Democratic	20th	March 4, 1861 – March 4, 1863
		24th	March 4, 1863 – March 4, 1865
Raymond F. Lederer	Democratic	3rd	January 3, 1977 – April 29, 1981	Resigned.
Robert E. Lee	Democratic	12th	March 4, 1911 – March 4, 1915
Summer Lee	Democratic	12th	January 3, 2023 – present	Incumbent
J. Russell Leech	Republican	20th	March 4, 1927 – January 29, 1932	resigned on appointment as member of US Board of Tax Appeals
Isaac Leet	Democratic	21st	March 4, 1839 – March 4, 1841
Joseph Lefever	Democratic-Republican	3rd	March 4, 1811 – March 4, 1813
William E. Lehman	Democratic	1st	March 4, 1861 – March 4, 1863
Michael Leib	Democratic-Republican	2nd	March 4, 1799 – March 4, 1803	Resigned.
		1st	March 4, 1803 – February 14, 1806
Owen D. Leib	Democratic	11th	March 4, 1845 – March 4, 1847
Paul Leidy	Democratic	12th	December 7, 1857 – March 4, 1859
George G. Leiper	Jacksonian	4th	March 4, 1829 – March 4, 1831
John Leisenring	Republican	12th	March 4, 1895 – March 4, 1897
John T. Lenahan	Democratic	11th	March 4, 1907 – March 4, 1909
Fred C. Leonard	Republican	16th	March 4, 1895 – March 4, 1897
John V. Lesher	Democratic	16th	March 4, 1913 – March 4, 1921
Lewis C. Levin	Know Nothing	1st	March 4, 1845 – March 4, 1851
Fred E. Lewis	Republican	At-large	March 4, 1913 – March 4, 1915
Robert J. Lewis	Republican	19th	March 4, 1901 – March 4, 1903
Norton L. Lichtenwalner	Democratic	14th	March 4, 1931 – March 4, 1933
Franklin H. Lichtenwalter	Republican	8th	September 9, 1947 – January 3, 1951
Michael Liebel, Jr.	Democratic	25th	March 4, 1915 – March 4, 1917
Mial E. Lilley	Republican	14th	March 4, 1905 – March 4, 1907
William Lilly	Republican	At-large	March 4, 1893 – December 1, 1893	Died.
James F. Lind	Democratic	21st	January 3, 1949 – January 3, 1953
Henry Logan	Jacksonian	11th	March 4, 1835 – March 4, 1837
	Democratic		March 4, 1837 – March 4, 1839
J. Washington Logue	Democratic	6th	March 4, 1913 – March 4, 1915
Henry C. Longnecker	Republican	7th	March 4, 1859 – March 4, 1861
Christian Lower	Democratic-Republican	3rd	March 4, 1805 – December 19, 1806	Died.
John B. C. Lucas	Democratic-Republican	11th	March 4, 1803 – ????, 1805	Resigned before the assembling of the 9th Congress to become district judge of the United States District Court for the District of Louisiana.
Aaron Lyle	Democratic-Republican	10th	March 4, 1809 – March 4, 1813
		12th	March 4, 1813 – March 4, 1817
John Lynch	Democratic	12th	March 4, 1887 – March 4, 1889
Ryan Mackenzie	Republican	7th	January 3, 2025 – present	Incumbent
Levi A. Mackey	Democratic	20th	March 4, 1875 – March 4, 1879
Samuel Maclay	Democratic-Republican	6th	March 4, 1795 – March 4, 1797
William Maclay	Democratic-Republican	5th	March 4, 1815 – March 4, 1819
William P. Maclay	Democratic-Republican	9th	October 8, 1816 – March 4, 1821
James T. Maffett	Republican	25th	March 4, 1887 – March 4, 1889
James M. Magee	Republican	35th	March 4, 1923 – March 4, 1927
John A. Magee	Democratic	15th	March 4, 1873 – March 4, 1875
Frederick W. Magrady	Republican	17th	March 4, 1925 – March 4, 1933
Thaddeus M Mahon	Republican	18th	March 4, 1893 – March 4, 1903
		17th	March 4, 1903 – March 4, 1907
Levi Maish	Democratic	19th	March 4, 1875 – March 4, 1879
			March 4, 1887 – March 4, 1891
Franklin J. Maloney	Republican	4th	January 3, 1947 – January 3, 1949
Job Mann	Jacksonian	18th	March 4, 1835 – March 4, 1837
	Democratic	19th	March 4, 1847 – March 4, 1851
Joel K. Mann	Jacksonian	5th	March 4, 1831 – March 4, 1835
Albert G. Marchand	Democratic	19th	March 4, 1839 – March 4, 1843
David Marchand	Democratic-Republican	11th	March 4, 1817 – March 4, 1821
Marjorie Margolies-Mezvinsky	Democratic	13th	January 3, 1993 – January 3, 1995	Lost re-election.
Tom Marino	Republican	10th	January 3, 2011 – January 3, 2019	Redistricted.
		12th	January 3, 2019 – January 23, 2019	Resigned.
Philip S Markley	Democratic-Republican	5th	March 4, 1823 – March 4, 1825
	Anti-Jacksonian		March 4, 1825 – March 4, 1827
Marc L. Marks	Republican	24th	January 3, 1977 – January 3, 1983
Alem Marr	Jacksonian	9th	March 4, 1829 – March 4, 1831
Frank Mascara	Democratic	20th	January 3, 1995 – January 3, 2003
Charles Matthews	Republican	24th	March 4, 1911 – March 4, 1913
William McAleer	Democratic	3rd	March 4, 1891 – March 4, 1895
			March 4, 1897 – March 4, 1901
Archibald McAllister	Democratic	17th	March 4, 1863 – March 4, 1865
Joseph A. McArdle	Democratic	33rd	January 3, 1939 – January 5, 1942	Resigned to serve on Pittsburgh City Council.
Moses McClean	Democratic	15th	March 4, 1845 – March 4, 1847
William McClelland	Democratic	24th	March 4, 1871 – March 4, 1873
Blair McClenachan	Democratic-Republican	2nd	March 4, 1797 – March 4, 1799
Charles McClure	Democratic	13th	March 4, 1837 – March 4, 1839
			December 7, 1840 – March 4, 1841
Samuel K. McConnell, Jr.	Republican	17th	January 18, 1944 – January 3, 1945	Resigned.
		16th	January 3, 1945 – January 3, 1953
		13th	January 3, 1953 – September 1, 1957
Henry C. McCormick	Republican	16th	March 4, 1887 – March 4, 1891
Robert McCoy	Jacksonian	11th	November 22, 1831 – March 4, 1833
George D. McCreary	Republican	6th	March 4, 1903 – March 4, 1913
William McCreery	Democratic	15th	March 4, 1829 – March 4, 1831
George McCulloch	Democratic	14th	November 20, 1839 – March 4, 1841
John McCulloch	Whig	18th	March 4, 1853 – March 4, 1855
Welty McCullogh	Republican	21st	March 4, 1887 – March 4, 1889
Thomas G. McCullough	Federalist	5th	October 17, 1820 – March 4, 1821
Joseph M. McDade	Republican	10th	January 3, 1963 – January 3, 1999
Alexander McDowell	Republican	At-large	March 4, 1893 – March 4, 1895
John McDowell	Republican	31st	January 3, 1939 – January 3, 1941
		29th	January 3, 1947 – January 3, 1949
Louis T. McFadden	Republican	14th	March 4, 1915 – March 4, 1923
		15th	March 4, 1923 – January 3, 1935
Robert N. McGarvey	Republican	2nd	January 3, 1947 – January 3, 1949
Herbert J. McGlinchey	Democratic	6th	January 3, 1945 – January 3, 1947
James P. McGranery	Democratic	2nd	January 3, 1937 – November 17, 1943	Resigned after being appointed an assistant to the Attorney General.
Paul McHale	Democratic	15th	January 3, 1993 – January 3, 1999
John G. McHenry	Democratic	16th	March 4, 1907 – December 27, 1912	Died.
Abraham R. McIlvaine	Whig	7th	March 4, 1843 – March 4, 1849
Ebenezer McJunkin	Republican	23rd	March 4, 1871 – ????, 1874/1875
Samuel McKean	Democratic-Republican	9th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1829
Thomas M. T McKennan	Anti-Masonic	15th	March 4, 1831 – March 4, 1833
		21st	March 4, 1833 – March 4, 1839
	Whig		May 30, 1842 – March 4, 1843
Jacob K. McKenty	Democratic	8th	December 3, 1860 – March 4, 1861
Robert McKnight	Republican	22nd	March 4, 1859 – March 4, 1863
James X. McLanahan	Democratic	16th	March 4, 1849 – March 4, 1853
Patrick McLane	Democratic	10th	March 4, 1919 – February 25, 1921	Lost election contest to John R. Farr.
Joseph McLaughlin	Republican	At-large	March 4, 1917 – March 4, 1919
			March 4, 1921 – March 4, 1923
John McNair	Democratic	5th	March 4, 1851 – March 4, 1855
Edward McPherson	Republican	17th	March 4, 1859 – March 4, 1863
James McSherry	Federalist	5th	March 4, 1821 – March 4, 1823
Pat Meehan	Republican	7th	January 3, 2011 – April 27, 2018	Resigned.
Franklin Menges	Republican	22nd	March 4, 1925 – March 4, 1931
Ulysses Mercur	Republican	13th	March 4, 1865 – December 2, 1872	Resigned after being appointed as judge of the Supreme Court of Pennsylvania.
Dan Meuser	Republican	9th	January 3, 2019 – present	Incumbent
Benjamin F. Meyers	Democratic	16th	March 4, 1871 – March 4, 1873
Ner Middleswarth	Whig	10th	March 4, 1853 – March 4, 1855
Daniel H. Miller	Democratic-Republican	3rd	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1831
George F. Miller	Republican	14th	March 4, 1865 – March 4, 1869
Jesse Miller	Jacksonian	13th	March 4, 1833 – October 30, 1836	Resigned to become the First Auditor of the United States Department of the Treasury.
Samuel H Miller	Republican	26th	March 4, 1881 – March 4, 1885
		28th	March 4, 1915 – March 4, 1917
Thomas B. Miller	Republican	12th	May 19, 1942 – January 3, 1945
William H. Miller	Democratic	14th	March 4, 1863 – March 4, 1865
William H. Milliken, Jr.	Republican	7th	January 3, 1959 – January 3, 1965
William Millward	Opposition	3rd	March 4, 1855 – March 4, 1857
	Republican	4th	March 4, 1859 – March 4, 1861
James Milnor	Federalist	1st	March 4, 1811 – March 4, 1813
William Milnor	Federalist	2nd	March 4, 1807 – March 4, 1811
		1st	March 4, 1815 – March 4, 1817
			March 4, 1819 – May 8, 1822	Resigned.
Charles Miner	Anti-Jacksonian	4th	March 4, 1825 – March 4, 1829
James S. Mitchell	Democratic-Republican	4th	March 4, 1821 – March 4, 1823
		10th	March 4, 1823 – March 4, 1825
	Jacksonian		March 4, 1825 – March 4, 1827
John I. Mitchell	Republican	16th	March 4, 1877 – March 4, 1881
John Mitchell	Jacksonian	12th	March 4, 1825 – March 4, 1829
John Moffet	Democratic	3rd	March 4, 1869 – April 9, 1869	Lost contested election to Leonard Myers.
Daniel Montgomery, Jr.	Democratic-Republican	5th	March 4, 1807 – March 4, 1809
John G. Montgomery	Democratic	12th	March 4, 1857 – April 24, 1857	Died.
William Montgomery	Democratic	20th	March 4, 1857 – March 4, 1861
William Montgomery	Anti-Administration	At-large	March 4, 1793 – March 4, 1795
Reuben O. Moon	Republican	4th	November 3, 1903 – March 4, 1913
Henry D. Moore	Whig	3rd	March 4, 1849 – March 4, 1853
J. Hampton Moore	Republican	3rd	November 6, 1906 – January 4, 1920	Resigned after being elected Mayor of Philadelphia.
Robert Moore	Democratic-Republican	15th	March 4, 1817 – March 4, 1821
Samuel Moore	Democratic-Republican	6th	October 13, 1818 – May 20, 1822
William S. Moore	Republican	24th	March 4, 1873 – March 4, 1875
James K. Moorhead	Republican	21st	March 4, 1859 – March 4, 1863
		22nd	March 4, 1863 – March 4, 1869
William S. Moorhead	Democratic	28th	January 3, 1959 – January 3, 1963
		14th	January 3, 1963 – January 3, 1981
Thomas E. Morgan	Democratic	24th	January 3, 1945 – January 3, 1953
		26th	January 3, 1953 – January 3, 1973
		22nd	January 3, 1973 – January 3, 1977
John M. Morin	Republican	At-large	March 4, 1913 – March 4, 1915
		31st	March 4, 1915 – March 4, 1923
		34th	March 4, 1923 – March 4, 1929
Theodore L. Moritz	Democratic	32nd	January 3, 1935 – January 3, 1937
Daniel J. Morrell	Republican	17th	March 4, 1867 – March 4, 1871
Edward de Veaux Morrell	Republican	5th	November 6, 1900 – March 4, 1907
Edward J Morris	Whig	1st	March 4, 1843 – March 4, 1845
		2nd	March 4, 1857 – June 8, 1861	Resigned to become Minister to the Ottoman Empire.
Mathias Morris	Anti-Jacksonian	6th	March 4, 1835 – March 4, 1837
	Whig		March 4, 1837 – March 4, 1839
Samuel W. Morris	Democratic	17th	March 4, 1837 – March 4, 1841
John A. Morrison	Democratic	7th	March 4, 1851 – March 4, 1853
Guy L. Moser	Democratic	14th	January 3, 1937 – January 3, 1943
James Mosgrove	Greenback	25th	March 4, 1881 – March 4, 1883
Frederick A. Muhlenberg	Republican	13th	January 3, 1947 – January 3, 1949
Frederick A. C. Muhlenberg	Pro-Administration	At-large	March 4, 1789 – March 4, 1791
	Anti-Administration	2nd	March 4, 1791 – March 4, 1793
		At-large	March 4, 1793 – March 4, 1795
	Democratic-Republican	2nd	March 4, 1795 – March 4, 1797
Henry A. Muhlenberg	Democratic	8th	March 4, 1853 – January 9, 1854	Died.
Henry A. P. Muhlenberg	Jacksonian	7th	March 4, 1829 – March 4, 1833	Resigned to become United States Minister to the Austrian Empire.
		9th	March 4, 1833 – March 4, 1837
	Democratic		March 4, 1837 – February 8, 1838
Peter Muhlenberg	Anti-Administration	At-large	March 4, 1789 – March 4, 1791
			March 4, 1793 – March 4, 1795
	Democratic-Republican	4th	March 4, 1799 – March 4, 1801
Michael J. Muldowney	Republican	32nd	March 4, 1933 – January 3, 1935
Walter M. Mumma	Republican	18th	January 3, 1951 – January 3, 1953	Died.
		16th	January 3, 1953 – February 25, 1961
Austin J Murphy	Democratic	22nd	January 3, 1977 – January 3, 1993
		20th	January 3, 1993 – January 3, 1995
John W. Murphy	Democratic	11th	January 3, 1943 – January 3, 1945	Resigned to become judge of the United States District Court for the Middle District of Pennsylvania.
		10th	January 3, 1945 – July 17, 1946
Patrick Murphy	Democratic	8th	January 3, 2007 – January 3, 2011	Lost re-election.
Timothy F. Murphy	Republican	18th	January 3, 2003 – October 21, 2017	Resigned.
John Murray	Democratic-Republican	10th	October 14, 1817 – March 4, 1821	First elected to finish Representative-elect David Scott's term.
Thomas Murray, Jr.	Democratic-Republican	10th	October 9, 1821 – March 4, 1823	First elected to finish Representative-elect William Cox Ellis's term.
John Murtha	Democratic	12th	February 5, 1974 – February 8, 2010	Died.
Ray Musto	Democratic	11th	April 9, 1980 – January 3, 1981
Howard Mutchler	Democratic	8th	August 7, 1893 – March 4, 1895
			March 4, 1901 – March 4, 1903
William Mutchler	Democratic	10th	March 4, 1875 – March 4, 1877
			March 4, 1881 – March 4, 1885
		8th	March 4, 1889 – June 23, 1893	Died.
Amos Myers	Republican	20th	March 4, 1863 – March 4, 1865
Francis J. Myers	Democratic	6th	January 3, 1939 – January 3, 1945
Gary A. Myers	Republican	25th	January 3, 1975 – January 3, 1979
Leonard Myers	Republican	3rd	March 4, 1863 – March 4, 1869
			April 9, 1869 – March 4, 1875	Successfully challenged election of John Moffet.
Michael Myers	Democratic	1st	November 2, 1976 – October 2, 1980	Expelled as a result of the Abscam scandal.
Charles Naylor	Whig	3rd	June 29, 1837 – March 4, 1841	First elected to finish Representative-elect Francis J. Harper's term.
James S. Negley	Republican	22nd	March 4, 1869 – March 4, 1875
			March 4, 1885 – March 4, 1887
James L. Nelligan	Republican	11th	January 3, 1981 – January 3, 1983
Henry Nes	Independent Democratic	15th	March 4, 1843 – March 4, 1845
	Whig		March 4, 1847 – September 10, 1850	Died.
Peter Newhard	Democratic	8th	March 4, 1839 – March 4, 1843
Thomas D. Nicholls	Independent Democratic	10th	March 4, 1907 – March 4, 1911
Robert N.C. Nix, Sr.	Democratic	4th	May 20, 1958 – January 3, 1963
		2nd	January 3, 1963 – January 3, 1979
Solomon T. North	Republican	27th	March 4, 1915 – March 4, 1917
Charles O'Neill	Republican	2nd	March 4, 1863 – March 4, 1871
			March 4, 1873 – November 25, 1893	Died.
Harry P. O'Neill	Democratic	10th	January 3, 1949 – January 3, 1953
Alexander Ogle	Democratic-Republican	8th	March 4, 1817 – March 4, 1819
Andrew J. Ogle	Whig	18th	March 4, 1849 – March 4, 1851
Charles Ogle	Anti-Masonic	18th	March 4, 1837 – March 4, 1841
	Whig		March 4, 1841 – May 10, 1841	Died.
Marlin E Olmsted	Republican	14th	March 4, 1897 – March 4, 1903
		18th	March 4, 1903 – March 4, 1913
Robert Orr, Jr.	Jacksonian	16th	October 11, 1825 – March 4, 1829
Edwin S Osborne	Republican	At-large	March 4, 1885 – March 4, 1889
		12th	March 4, 1889 – March 4, 1891
James H. Osmer	Republican	27th	March 4, 1879 – March 4, 1881
Edward Overton, Jr.	Republican	15th	March 4, 1877 – March 4, 1881
Asa Packer	Democratic	13th	March 4, 1853 – March 4, 1857
Horace B. Packer	Republican	16th	March 4, 1897 – March 4, 1901
John B. Packer	Republican	14th	March 4, 1869 – March 4, 1877
A. Mitchell Palmer	Democratic	26th	March 4, 1909 – March 4, 1915
Cyrus M. Palmer	Republican	13th	March 4, 1927 – March 4, 1929
Henry W Palmer	Republican	12th	March 4, 1901 – March 4, 1903
		11th	March 4, 1903 – March 4, 1907
			March 4, 1909 – March 4, 1911
Andrew Parker	Democratic