The following is an alphabetical 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 of names should be complete (as of January 5, 2019), but other data may be incomplete.
Updated May 2019. [1]
| 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 | [ data unknown/missing ] |
| March 4, 1817 – March 4, 1819 | [ data unknown/missing ] | |||
| Joseph B. Anthony | Jacksonian | 16th | March 4, 1833 – March 4, 1837 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| 15th | March 4, 1863 – March 4, 1865 | |||
| Warren W. Bailey | Democratic | 19th | March 4, 1913 – March 4, 1917 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Andrew J. Barchfeld | Republican | 32nd | March 4, 1905 – March 4, 1917 | [ data unknown/missing ] |
| Charles F. Barclay | Republican | 21st | March 4, 1907 – March 4, 1911 | [ data unknown/missing ] |
| David Barclay | Democratic | 24th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| David Bard | Democratic-Republican | 10th | March 4, 1795 – March 4, 1799 | [ data unknown/missing ] |
| 4th | March 4, 1803 – March 4, 1813 | [ data unknown/missing ] | ||
| 9th | March 4, 1813 – March 12, 1815 | |||
| Abraham A. Barker | Republican | 17th | March 4, 1865 – March 4, 1867 | [ data unknown/missing ] |
| Lou Barletta | Republican | 11th | January 3, 2011 – January 3, 2019 | Retired. |
| Stephen Barlow | Jacksonian | 18th | March 4, 1827 – March 4, 1829 | [ data unknown/missing ] |
| Charles Augustus Barnitz | Anti-Masonic | 11th | March 4, 1833 – March 4, 1835 | [ data unknown/missing ] |
| Samuel F. Barr | Republican | 14th | March 4, 1881 – March 4, 1885 | [ data unknown/missing ] |
| William A. Barrett | Democratic | 1st | January 3, 1945 – January 3, 1947 | [ data unknown/missing ] |
| January 3, 1949 – April 12, 1976 | Died. | |||
| Arthur L. Bates | Republican | 26th | March 4, 1901 – March 4, 1903 | [ data unknown/missing ] |
| 25th | March 4, 1903 – March 4, 1913 | |||
| Thomas M. Bayne | Republican | 23rd | March 4, 1877 – March 4, 1891 | [ data unknown/missing ] |
| Joseph G. Beale | Republican | 27th | March 4, 1907 – March 4, 1909 | [ data unknown/missing ] |
| C. William Beales | Republican | 20th | March 4, 1915 – March 4, 1917 | [ data unknown/missing ] |
| William Beatty | Democratic | 23rd | March 4, 1837 – March 4, 1841 | [ data unknown/missing ] |
| Andrew Beaumont | Jacksonian | 15th | March 4, 1833 – March 4, 1837 | [ data unknown/missing ] |
| James M. Beck | Republican | 1st | November 8, 1927 – March 4, 1933 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Frank E. Beltzhoover | Democratic | 19th | March 4, 1879 – March 4, 1883 | [ data unknown/missing ] |
| March 4, 1891 – March 4, 1895 | [ data unknown/missing ] | |||
| George J. Benner | Democratic | 19th | March 4, 1897 – March 4, 1899 | [ data unknown/missing ] |
| William M. Berlin | Democratic | 28th | March 4, 1933 – January 3, 1937 | [ data unknown/missing ] |
| Earl H. Beshlin | Democratic | 28th | November 6, 1917 – March 4, 1919 | [ data unknown/missing ] |
| Thomas M. Bibighaus | Whig | 14th | March 4, 1851 – March 4, 1853 | [ data unknown/missing ] |
| Charles J. Biddle | Democratic | 2nd | July 2, 1861 – March 4, 1863 | [ data unknown/missing ] |
| Joseph F. Biddle | Republican | 18th | November 8, 1932 – March 4, 1933 | [ data unknown/missing ] |
| Richard Biddle | Anti-Masonic | 22nd | March 4, 1837 – July 21, 1840 | Resigned. |
| Benjamin A. Bidlack | Democratic | 15th | March 4, 1841 – March 4, 1843 | [ data unknown/missing ] |
| 11th | March 4, 1843 – March 4, 1845 | |||
| James S. Biery | Republican | 6th | March 4, 1873 – March 4, 1875 | [ data unknown/missing ] |
| Edward G. Biester Jr. | Republican | 8th | January 3, 1967 – January 3, 1977 | [ data unknown/missing ] |
| Alexander Billmeyer | Democratic | 17th | November 4, 1902 – March 4, 1903 | [ data unknown/missing ] |
| Henry H. Bingham | Republican | 1st | March 4, 1879 – March 22, 1912 | Died. |
| Horace Binney | Anti-Jacksonian | 2nd | March 4, 1833 – March 4, 1835 | [ data unknown/missing ] |
| Harris J. Bixler | Republican | 28th | March 4, 1921 – March 4, 1927 | [ data unknown/missing ] |
| Henry Black | Whig | 18th | June 28, 1841 – November 28, 1841 | Died. |
| James Black | Jacksonian | 13th | December 5, 1836 – March 4, 1837 | [ data unknown/missing ] |
| Democratic | 16th | March 4, 1843 – March 4, 1847 | [ data unknown/missing ] | |
| Lucien E. Blackwell | Democratic | 2nd | November 5, 1991 – January 3, 1995 | [ data unknown/missing ] |
| Samuel S. Blair | Republican | 18th | March 4, 1859 – March 4, 1863 | [ data unknown/missing ] |
| John Blanchard | Whig | 17th | March 4, 1845 – March 4, 1849 | [ data unknown/missing ] |
| Andrew Boden | Democratic-Republican | 5th | March 4, 1817 – March 4, 1821 | [ data unknown/missing ] |
| Patrick J. Boland | Democratic | 11th | March 4, 1931 – May 18, 1942 | Died. |
| Veronica G. Boland | Democratic | 11th | November 3, 1942 – January 3, 1943 | [ data unknown/missing ] |
| Edward J. Bonin | Republican | 11th | January 3, 1953 – January 3, 1955 | [ data unknown/missing ] |
| Robert A. Borski Jr. | Democratic | 3rd | January 3, 1983 – January 3, 2003 | [ data unknown/missing ] |
| Thomas Boude | Federalist | 7th | March 4, 1801 – March 4, 1803 | [ data unknown/missing ] |
| Franklin Bound | Republican | 14th | March 4, 1885 – March 4, 1889 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Henry M. Brackenridge | Whig | 22nd | October 13, 1840 – March 4, 1841 | [ data unknown/missing ] |
| Michael J. Bradley | Democratic | 3rd | January 3, 1937 – January 3, 1947 | [ data unknown/missing ] |
| Samuel C. Bradshaw | Opposition | 7th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| Robert A. Brady | Democratic | 1st | May 19, 1998 – January 3, 2019 | Retired. |
| Jasper E. Brady | Whig | 16th | March 4, 1847 – March 4, 1849 | [ data unknown/missing ] |
| Samuel M. Brainerd | Republican | 27th | March 4, 1883 – March 4, 1885 | [ data unknown/missing ] |
| Samuel Breck | Federalist | 1st | March 4, 1823 – March 4, 1825 | [ data unknown/missing ] |
| Samuel A. Bridges | Democratic | 6th | March 6, 1848 – March 4, 1849 | [ data unknown/missing ] |
| 7th | March 4, 1853 – March 4, 1855 | [ data unknown/missing ] | ||
| 10th | March 4, 1877 – March 4, 1879 | [ data unknown/missing ] | ||
| John Brisbin | Democratic | 11th | January 13, 1851 – March 4, 1851 | [ data unknown/missing ] |
| Andrew R. Brodbeck | Democratic | 20th | March 4, 1913 – March 4, 1915 | [ data unknown/missing ] |
| March 4, 1917 – March 4, 1919 | [ data unknown/missing ] | |||
| J. Davis Brodhead | Democratic | 26th | March 4, 1907 – March 4, 1909 | [ data unknown/missing ] |
| Richard Brodhead | Democratic | 10th | March 4, 1843 – March 4, 1849 | [ data unknown/missing ] |
| Edward S. Brooks | Republican | 20th | March 4, 1919 – March 4, 1923 | [ data unknown/missing ] |
| J. Twing Brooks | Democratic | 30th | March 4, 1933 – January 3, 1937 | [ data unknown/missing ] |
| Jacob Broom | Know Nothing | 4th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| John M. Broomall | Republican | 7th | March 4, 1863 – March 4, 1869 | [ data unknown/missing ] |
| Marriott Brosius | Republican | 10th | March 4, 1889 – March 16, 1901 | Died. |
| Charles Brown | Democratic | 1st | March 4, 1841 – March 4, 1843 | [ data unknown/missing ] |
| 3rd | March 4, 1847 – March 4, 1849 | [ data unknown/missing ] | ||
| James W. Brown | Independent Republican | 32nd | March 4, 1903 – March 4, 1905 | [ data unknown/missing ] |
| Jeremiah Brown | Whig | 4th | March 4, 1841 – March 4, 1843 | [ data unknown/missing ] |
| 8th | March 4, 1843 – March 4, 1845 | |||
| John Brown | Democratic-Republican | 9th | March 4, 1821 – March 4, 1823 | [ data unknown/missing ] |
| 12th | March 4, 1823 – March 4, 1825 | |||
| Robert Brown | Democratic-Republican | 4th | December 4, 1798 – March 4, 1803 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| D. Emmert Brumbaugh | Republican | 23rd | November 2, 1943 – January 3, 1945 | [ data unknown/missing ] |
| 22nd | January 3, 1945 – January 3, 1947 | |||
| Charles N. Brumm | Greenback | 13th | March 4, 1881 – March 4, 1885 | [ data unknown/missing ] |
| Republican | March 4, 1885 – March 4, 1889 | |||
| March 4, 1895 – March 4, 1899 | [ data unknown/missing ] | |||
| 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 | [ data unknown/missing ] |
| March 4, 1929 – May 29, 1934 | Died. | |||
| David B. Brunner | Democratic | 9th | March 4, 1889 – March 4, 1893 | [ data unknown/missing ] |
| Andrew Buchanan | Jacksonian | 20th | March 4, 1835 – March 4, 1837 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Charles R. Buckalew | Democratic | 11th | March 4, 1887 – March 4, 1889 | [ data unknown/missing ] |
| 17th | March 4, 1889 – March 4, 1891 | [ data unknown/missing ] | ||
| Joseph Buffington | Whig | 24th | March 4, 1843 – March 4, 1847 | [ data unknown/missing ] |
| Frank C. Bunnell | Republican | 13th | December 24, 1872 – March 4, 1873 | [ data unknown/missing ] |
| 15th | March 4, 1885 – March 4, 1889 | [ data unknown/missing ] | ||
| George Burd | Anti-Jacksonian | 13th | March 4, 1831 – March 4, 1833 | [ data unknown/missing ] |
| 18th | March 4, 1833 – March 4, 1835 | [ data unknown/missing ] | ||
| Henry Burk | Republican | 3rd | March 4, 1901 – December 5, 1903 | Died. |
| James F. Burke | Republican | 31st | March 4, 1905 – March 4, 1915 | [ data unknown/missing ] |
| William J. Burke | Republican | At-large | March 4, 1919 – March 4, 1923 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| 17th | January 3, 1953 – November 5, 1959 | Died. | ||
| Robert G. Bushong | Republican | 14th | March 4, 1927 – March 4, 1929 | [ data unknown/missing ] |
| Chester P. Butler | Whig | 11th | March 4, 1847 – October 5, 1850 | Died. |
| Thomas S. Butler | Independent Republican | 6th | March 4, 1897 – March 4, 1899 | [ data unknown/missing ] |
| Republican | March 4, 1899 – March 4, 1903 | [ data unknown/missing ] | ||
| 7th | March 4, 1903 – March 4, 1923 | [ data unknown/missing ] | ||
| 8th | March 4, 1923 – May 26, 1928 | Died. | ||
| James A. Byrne | Democratic | 3rd | January 3, 1953 – January 3, 1973 | [ data unknown/missing ] |
| John Cadwalader | Democratic | 5th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| Henry L. Cake | Republican | 10th | March 4, 1867 – March 4, 1871 | [ data unknown/missing ] |
| Samuel Calvin | Whig | 17th | March 4, 1849 – March 4, 1851 | [ data unknown/missing ] |
| Guy E. Campbell | Democratic | 32nd | March 4, 1917 – March 4, 1923 | [ data unknown/missing ] |
| Republican | 36th | March 4, 1923 – March 4, 1933 | [ data unknown/missing ] | |
| Howard E. Campbell | Republican | 29th | January 3, 1945 – January 3, 1947 | [ data unknown/missing ] |
| Jacob M. Campbell | Republican | 17th | March 4, 1877 – March 4, 1879 | [ data unknown/missing ] |
| March 4, 1881 – March 4, 1887 | [ data unknown/missing ] | |||
| James H. Campbell | Opposition | 11th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| Republican | March 4, 1859 – March 4, 1863 | [ data unknown/missing ] | ||
| John H. Campbell | Know Nothing | 3rd | March 4, 1845 – March 4, 1847 | [ data unknown/missing ] |
| Christopher Carney | Democratic | 10th | January 3, 2007 – January 3, 2011 | Lost re-election. |
| Edmund N. Carpenter | Republican | 12th | March 4, 1925 – March 4, 1927 | [ data unknown/missing ] |
| Wooda N. Carr | Democratic | 23rd | March 4, 1913 – March 4, 1915 | [ data unknown/missing ] |
| Joseph L. Carrigg | Republican | 14th | November 6, 1951 – January 3, 1953 | [ data unknown/missing ] |
| 10th | January 3, 1953 – January 3, 1959 | [ data unknown/missing ] | ||
| Matt Cartwright | Democratic | 17th | January 3, 2013 – January 3, 2019 | Redistricted. |
| 8th | January 3, 2019 – present | Incumbent | ||
| John J. Casey | Democratic | 11th | March 4, 1913 – March 4, 1917 | [ data unknown/missing ] |
| March 4, 1919 – March 4, 1921 | [ data unknown/missing ] | |||
| 12th | March 4, 1923 – March 4, 1925 | [ data unknown/missing ] | ||
| March 4, 1927 – May 5, 1929 | Died. | |||
| Joseph Casey | Whig | 13th | March 4, 1849 – March 4, 1851 | [ data unknown/missing ] |
| Henry B. Cassel | Republican | 10th | November 5, 1901 – March 4, 1903 | [ data unknown/missing ] |
| 9th | March 4, 1903 – March 4, 1909 | [ data unknown/missing ] | ||
| George A. Castor | Republican | 3rd | February 16, 1904 – February 19, 1906 | Died. |
| Anthony Cavalcante | Democratic | 23rd | January 3, 1949 – January 3, 1951 | [ data unknown/missing ] |
| John Cessna | Republican | 16th | March 4, 1869 – March 4, 1871 | [ data unknown/missing ] |
| March 4, 1873 – March 4, 1875 | [ data unknown/missing ] | |||
| E. Wallace Chadwick | Republican | 7th | January 3, 1947 – January 3, 1949 | [ data unknown/missing ] |
| George Chambers | Anti-Masonic | 12th | March 4, 1833 – March 4, 1837 | [ data unknown/missing ] |
| Joseph R. Chandler | Whig | 2nd | March 4, 1849 – March 4, 1855 | [ data unknown/missing ] |
| Henry Chapman | Democratic | 7th | March 4, 1857 – March 4, 1859 | [ data unknown/missing ] |
| John Chapman | Federalist | 4th | March 4, 1797 – March 4, 1799 | [ data unknown/missing ] |
| J. Mitchell Chase | Republican | 23rd | March 4, 1927 – March 4, 1933 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Henry A. Clark | Republican | 25th | March 4, 1917 – March 4, 1919 | [ data unknown/missing ] |
| William Clark | Anti-Masonic | 10th | March 4, 1833 – March 4, 1837 | [ data unknown/missing ] |
| Joseph Clay | Democratic-Republican | 1st | March 4, 1803 – March 28, 1808 | Resigned. |
| William F. Clinger Jr. | Republican | 23rd | January 3, 1979 – January 3, 1993 | [ data unknown/missing ] |
| 5th | January 3, 1993 – January 3, 1997 | [ data unknown/missing ] | ||
| George Clymer | Pro-Administration | At-large | March 4, 1789 – March 4, 1791 | [ data unknown/missing ] |
| Hiester Clymer | Democratic | 8th | March 4, 1873 – March 4, 1881 | [ data unknown/missing ] |
| Alexander G. Cochran | Democratic | 23rd | March 4, 1875 – March 4, 1877 | [ data unknown/missing ] |
| Thomas C. Cochran | Republican | 28th | March 4, 1927 – March 4, 1933 | [ data unknown/missing ] |
| 20th | March 4, 1933 – January 3, 1935 | [ data unknown/missing ] | ||
| James H. Codding | Republican | 15th | November 5, 1895 – March 4, 1899 | [ data unknown/missing ] |
| Robert L. Coffey | Democratic | 26th | January 3, 1949 – April 20, 1949 | Died. |
| Alexander Hamilton Coffroth | Democratic | 16th | March 4, 1863 – March 4, 1865 | [ data unknown/missing ] |
| February 19, 1866 – July 18, 1866 | Successfully contested the election of his opponent. [ data unknown/missing ] | |||
| 17th | March 4, 1879 – March 4, 1881 | [ data unknown/missing ] | ||
| William H. Coleman | Republican | 30th | March 4, 1915 – March 4, 1917 | [ data unknown/missing ] |
| Francis D. Collins | Democratic | 11th | March 4, 1875 – March 4, 1879 | [ data unknown/missing ] |
| John Conard | Democratic-Republican | 1st | March 4, 1803 – March 4, 1815 | [ data unknown/missing ] |
| Charles R. Connell | Republican | 10th | March 4, 1921 – September 26, 1922 | Died. |
| William Connell | Republican | 11th | March 4, 1897 – March 4, 1903 | [ data unknown/missing ] |
| 10th | February 10, 1904 – March 4, 1905 | [ data unknown/missing ] | ||
| Daniel W. Connolly | Democratic | 12th | March 4, 1883 – March 4, 1885 | [ data unknown/missing ] |
| James J. Connolly | Republican | 5th | March 4, 1921 – January 3, 1935 | [ data unknown/missing ] |
| William S. Conover | Republican | 27th | April 25, 1972 – January 3, 1973 | [ data unknown/missing ] |
| Frederick Conrad | Democratic-Republican | 2nd | March 4, 1803 – March 4, 1807 | [ data unknown/missing ] |
| Joel Cook | Republican | 2nd | November 5, 1907 – December 15, 1910 | Died. |
| Allen F. Cooper | Republican | 23rd | March 4, 1903 – March 4, 1911 | [ data unknown/missing ] |
| James Cooper | Whig | 12th | March 4, 1839 – March 4, 1843 | [ data unknown/missing ] |
| Thomas B. Cooper | Democratic | 7th | March 4, 1861 – April 4, 1862 | [ data unknown/missing ] |
| Robert J. Corbett | Republican | 30th | January 3, 1939 – January 3, 1941 | [ data unknown/missing ] |
| January 3, 1945 – January 3, 1953 | [ data unknown/missing ] | |||
| 29th | January 3, 1953 – January 3, 1963 | [ data unknown/missing ] | ||
| Peter E. Costello | Republican | 5th | March 4, 1915 – March 4, 1921 | [ data unknown/missing ] |
| Ryan Costello | Republican | 6th | January 3, 2015 – January 3, 2019 | Retired. |
| Clarence D. Coughlin | Republican | 11th | March 4, 1921 – March 4, 1923 | [ data unknown/missing ] |
| R. Lawrence Coughlin | Republican | 13th | January 3, 1969 – January 3, 1993 | [ data unknown/missing ] |
| Richard Coulter | Jacksonian | 17th | March 4, 1827 – March 4, 1833 | [ data unknown/missing ] |
| 19th | March 4, 1833 – March 4, 1835 | [ data unknown/missing ] | ||
| John Covode | Opposition | 19th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| Republican | March 4, 1857 – March 4, 1863 | [ data unknown/missing ] | ||
| 21st | March 4, 1867 – March 4, 1869 | [ data unknown/missing ] | ||
| February 9, 1870 – January 11, 1871 | Died. | |||
| William R. Coyle | Republican | 30th | March 4, 1925 – March 4, 1927 | [ data unknown/missing ] |
| March 4, 1929 – March 4, 1933 | [ data unknown/missing ] | |||
| James K. Coyne III | Republican | 8th | January 3, 1981 – January 3, 1983 | [ data unknown/missing ] |
| William J. Coyne | Democratic | 14th | January 3, 1981 – January 3, 2003 | Retired. |
| Thomas S. Crago | Republican | 23rd | March 4, 1911 – March 4, 1913 | [ data unknown/missing ] |
| At-large | March 4, 1915 – March 4, 1921 | [ data unknown/missing ] | ||
| September 20, 1921 – March 4, 1923 | [ data unknown/missing ] | |||
| Alexander K. Craig | Democratic | 24th | February 26, 1892 – July 29, 1892 | Died. |
| Samuel A. Craig | Republican | 21st | March 4, 1889 – March 4, 1891 | [ data unknown/missing ] |
| Nathaniel N. Craley Jr. | Democratic | 19th | January 3, 1965 – January 3, 1967 | [ data unknown/missing ] |
| Thomas Hartley Crawford | Jacksonian | 11th | March 4, 1829 – March 4, 1833 | [ data unknown/missing ] |
| William Crawford | Democratic-Republican | 6th | March 4, 1809 – March 4, 1813 | [ data unknown/missing ] |
| 5th | March 4, 1813 – March 4, 1817 | [ data unknown/missing ] | ||
| John V. Creely | Republican | 2nd | March 4, 1871 – March 4, 1873 | [ data unknown/missing ] |
| Mark Critz | Democratic | 12th | May 18, 2010 – January 3, 2013 | Lost re-election. |
| William M. Croll | Democratic | 14th | March 4, 1923 – March 4, 1925 | [ data unknown/missing ] |
| Charles N. Crosby | Democratic | 29th | March 4, 1933 – January 3, 1939 | [ data unknown/missing ] |
| Edward Crouch | Democratic-Republican | 3rd | October 12, 1813 – March 4, 1815 | [ data unknown/missing ] |
| William J. Crow | Republican | 23rd | January 3, 1947 – January 3, 1949 | [ data unknown/missing ] |
| William C. Culbertson | Republican | 26th | March 4, 1889 – March 4, 1891 | [ data unknown/missing ] |
| Charles V. Culver | Republican | 20th | March 4, 1865 – March 4, 1867 | [ data unknown/missing ] |
| Herbert W. Cummings | Democratic | 17th | March 4, 1923 – March 4, 1925 | [ data unknown/missing ] |
| Andrew G. Curtin | Democratic | 20th | March 4, 1881 – March 4, 1887 | [ data unknown/missing ] |
| Willard S. Curtin | Republican | 8th | January 3, 1957 – January 3, 1967 | [ data unknown/missing ] |
| Carlton B. Curtis | Democratic | 23rd | March 4, 1851 – March 4, 1853 | [ data unknown/missing ] |
| 24th | March 4, 1853 – March 4, 1855 | [ data unknown/missing ] | ||
| Republican | 19th | March 4, 1873 – March 4, 1875 | [ data unknown/missing ] | |
| 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 | [ data unknown/missing ] |
| J. Burrwood Daly | Democratic | 4th | January 3, 1935 – March 12, 1939 | Died. |
| John Dalzell | Republican | 22nd | March 4, 1887 – March 4, 1903 | [ data unknown/missing ] |
| 30th | March 4, 1903 – March 4, 1913 | [ data unknown/missing ] | ||
| Joel B. Danner | Democratic | 15th | December 2, 1850 – March 4, 1851 | [ data unknown/missing ] |
| Edward Darlington | Anti-Masonic | 4th | March 4, 1833 – March 4, 1839 | [ data unknown/missing ] |
| Isaac Darlington | Federalist | 2nd | March 4, 1817 – March 4, 1819 | [ data unknown/missing ] |
| Smedley Darlington | Republican | 6th | March 4, 1887 – March 4, 1891 | [ data unknown/missing ] |
| William Darlington | Democratic-Republican | 2nd | March 4, 1815 – March 4, 1817 | [ data unknown/missing ] |
| March 4, 1819 – March 4, 1823 | [ data unknown/missing ] | |||
| Cornelius Darragh | Whig | 21st | March 26, 1844 – March 4, 1847 | [ data unknown/missing ] |
| George P. Darrow | Republican | 6th | March 4, 1915 – March 4, 1923 | [ data unknown/missing ] |
| 7th | March 4, 1923 – January 3, 1937 | [ data unknown/missing ] | ||
| January 3, 1939 – January 3, 1941 | [ data unknown/missing ] | |||
| Harry J. Davenport | Democratic | 29th | January 3, 1949 – January 3, 1951 | [ data unknown/missing ] |
| Samuel A. Davenport | Republican | At-large | March 4, 1897 – March 4, 1901 | [ data unknown/missing ] |
| Stanley W. Davenport | Democratic | 12th | March 4, 1899 – March 4, 1901 | [ data unknown/missing ] |
| Edward Davies | Anti-Masonic | 4th | March 4, 1837 – March 4, 1841 | [ data unknown/missing ] |
| John Davis | Democratic | 6th | March 4, 1839 – March 4, 1841 | [ data unknown/missing ] |
| Robert L. Davis | Republican | 6th | November 8, 1932 – March 4, 1933 | [ data unknown/missing ] |
| Roger Davis | Democratic-Republican | 2nd | March 4, 1811 – March 4, 1813 | [ data unknown/missing ] |
| 3rd | March 4, 1813 – March 4, 1815 | |||
| William M. Davis | Republican | 5th | March 4, 1861 – March 4, 1863 | [ data unknown/missing ] |
| John L. Dawson | Democratic | 18th | March 4, 1851 – March 4, 1853 | [ data unknown/missing ] |
| 20th | March 4, 1853 – March 4, 1855 | |||
| 21st | March 4, 1863 – March 4, 1867 | [ data unknown/missing ] | ||
| Madeleine Dean | Democratic | 4th | January 3, 2019 – present | Incumbent |
| Peter J. De Muth | Democratic | 30th | January 3, 1937 – January 3, 1939 | [ data unknown/missing ] |
| Elias Deemer | Republican | 16th | March 4, 1901 – March 4, 1903 | [ data unknown/missing ] |
| 15th | March 4, 1903 – March 4, 1907 | [ data unknown/missing ] | ||
| Charles Denison | Democratic | 12th | March 4, 1863 – June 27, 1867 | Died. |
| George Denison | Democratic-Republican | 10th | March 4, 1819 – March 4, 1823 | [ data unknown/missing ] |
| Harmar Denny | Anti-Masonic | 16th | December 15, 1829 – March 4, 1833 | [ data unknown/missing ] |
| 22nd | March 4, 1833 – March 4, 1837 | [ data unknown/missing ] | ||
| Harmar D. Denny Jr. | Republican | 29th | January 3, 1951 – January 3, 1953 | [ data unknown/missing ] |
| Charlie Dent | Republican | 15th | January 3, 2005 – May 12, 2018 | Resigned. |
| John H. Dent | Democratic | 21st | January 21, 1958 – January 3, 1979 | [ data unknown/missing ] |
| Franklin L. Dershem | Democratic | 17th | March 4, 1913 – March 4, 1915 | [ data unknown/missing ] |
| Arthur G. Dewalt | Democratic | 13th | March 4, 1915 – March 4, 1921 | [ data unknown/missing ] |
| Lewis Dewart | Jacksonian | 9th | March 4, 1831 – March 4, 1833 | [ data unknown/missing ] |
| William L. Dewart | Democratic | 11th | March 4, 1857 – March 4, 1859 | [ data unknown/missing ] |
| John Dick | Whig | 25th | March 4, 1853 – March 4, 1855 | [ data unknown/missing ] |
| Opposition | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] | ||
| Republican | March 4, 1857 – March 4, 1859 | [ data unknown/missing ] | ||
| Samuel B. Dick | Republican | 26th | March 4, 1879 – March 4, 1881 | [ data unknown/missing ] |
| Charles H. Dickerman | Democratic | 16th | March 4, 1903 – March 4, 1905 | [ data unknown/missing ] |
| Jesse C. Dickey | Whig | 7th | March 4, 1849 – March 4, 1851 | [ data unknown/missing ] |
| John Dickey | Whig | 20th | March 4, 1843 – March 4, 1845 | [ data unknown/missing ] |
| March 4, 1847 – March 4, 1849 | [ data unknown/missing ] | |||
| Oliver J. Dickey | Republican | 9th | December 7, 1868 – March 4, 1873 | [ data unknown/missing ] |
| Charles E. Dietrich | Democratic | 15th | January 3, 1935 – January 3, 1937 | [ data unknown/missing ] |
| Robert E. Difenderfer | Democratic | 8th | March 4, 1911 – March 4, 1915 | [ data unknown/missing ] |
| Milo M. Dimmick | Democratic | 10th | March 4, 1849 – March 4, 1853 | [ data unknown/missing ] |
| William H. Dimmick | Democratic | 13th | March 4, 1857 – March 4, 1861 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| Michael Donohoe | Democratic | 5th | March 4, 1911 – March 4, 1915 | [ data unknown/missing ] |
| Frank J. G. Dorsey | Democratic | 5th | January 3, 1935 – January 3, 1939 | [ data unknown/missing ] |
| Charles F. Dougherty | Republican | 4th | January 3, 1979 – January 3, 1983 | [ data unknown/missing ] |
| Isaac H. Doutrich | Democratic | 19th | March 4, 1927 – January 3, 1937 | [ data unknown/missing ] |
| Michael F. Doyle | Democratic | 18th | January 3, 1995 – January 3, 2003 | Redistricted. |
| 14th | January 3, 2003 – January 3, 2019 | Redistricted. | ||
| 18th | January 3, 2019 – present | Incumbent | ||
| Solomon R. Dresser | Republican | 21st | March 4, 1903 – March 4, 1907 | [ data unknown/missing ] |
| Ira W. Drew | Democratic | 7th | January 3, 1937 – January 3, 1939 | [ data unknown/missing ] |
| Denis J. Driscoll | Democratic | 20th | January 3, 1935 – January 3, 1937 | [ data unknown/missing ] |
| Augustus Drum | Democratic | 19th | March 4, 1853 – March 4, 1855 | [ data unknown/missing ] |
| William A. Duncan | Democratic | 19th | March 4, 1883 – November 14, 1884 | Died. |
| Matthew A. Dunn | Democratic | 34th | March 4, 1933 – January 3, 1941 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| George N. Eckert | Whig | 14th | March 4, 1847 – March 4, 1849 | [ data unknown/missing ] |
| Robert W. Edgar | Democratic | 7th | January 3, 1975 – January 3, 1987 | [ data unknown/missing ] |
| John R Edie | Opposition | 18th | March 4, 1855 – March 4, 1857 | [ data unknown/missing ] |
| Republican | March 4, 1857 – March 4, 1859 | |||
| George W. Edmonds | Republican | 4th | March 4, 1913 – March 4, 1925 | [ data unknown/missing ] |
| March 4, 1933 – January 3, 1935 | [ data unknown/missing ] | |||
| John Edwards | Anti-Masonic | 4th | March 4, 1839 – March 4, 1841 | [ data unknown/missing ] |
| Whig | March 4, 1841 – March 4, 1843 | [ data unknown/missing ] | ||
| Samuel Edwards | Federalist | 1st | March 4, 1819 – March 4, 1823 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| George Ege | Federalist | 5th | December 8, 1796 – October ???, 1797 | Resigned. |
| Joshua Eilberg | Democratic | 4th | January 3, 1967 – January 3, 1979 | [ data unknown/missing ] |
| 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 | [ data unknown/missing ] |
| William Cox Ellis | Federalist | 9th | March 4, 1823 – March 4, 1825 | [ data unknown/missing ] |
| Phil English | Republican | 21st | January 3, 1995 – January 3, 2003 | [ data unknown/missing ] |
| 3rd | January 3, 2003 – January 3, 2009 | |||
| Constantine J. Erdman | Democratic | 9th | March 4, 1893 – March 4, 1897 | [ data unknown/missing ] |
| Jacob Erdman | Democratic | 6th | March 4, 1845 – March 4, 1847 | [ data unknown/missing ] |
| Edmund F. Erk | Republican | 32nd | November 4, 1930 – March 4, 1933 | [ data unknown/missing ] |
| Daniel Ermentrout | Democratic | 8th | March 4, 1881 – March 4, 1889 | [ data unknown/missing ] |
| 9th | March 4, 1897 – September 17, 1899 | Died. | ||
| Russell Errett | Republican | 22nd | March 4, 1877 – March 4, 1883 | [ data unknown/missing ] |
| Allen E. Ertel | Democratic | 17th | January 3, 1977 – January 3, 1983 | [ data unknown/missing ] |
| Edwin D. Eshleman | Republican | 16th | January 3, 1967 – January 3, 1977 | [ data unknown/missing ] |
| Harry A. Estep | Republican | 35th | March 4, 1927 – March 4, 1933 | [ data unknown/missing ] |
| Charles J Esterly | Republican | 14th | March 4, 1925 – March 4, 1927 | [ data unknown/missing ] |
| March 4, 1929 – March 4, 1931 | [ data unknown/missing ] | |||
| Alvin Evans | Republican | 20th | March 4, 1901 – March 4, 1903 | [ data unknown/missing ] |
| 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 |