| Representative | Party | Years | Cong ress | Electoral history |
|---|
| District established March 4, 1903 |
Henry K. Porter (Pittsburgh) | Independent Republican | March 4, 1903 – March 3, 1905 | 58th | Elected in 1902. Lost renomination. |
James F. Burke (Pittsburgh) | Republican | March 4, 1905 – March 3, 1915 | 59th 60th 61st 62nd 63rd | Elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Re-elected in 1912. Retired. |
John M. Morin (Pittsburgh) | Republican | March 4, 1915 – March 3, 1923 | 64th 65th 66th 67th | Redistricted from the At-large district and re-elected in 1914. Re-elected in 1916. Re-elected in 1918 Re-elected in 1920. Redistricted to the 34th district. |
Adam M. Wyant (Greensburg) | Republican | March 4, 1923 – March 3, 1933 | 68th 69th 70th 71st 72nd | Redistricted from the 22nd district and re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Lost re-election. |
M. Clyde Kelly (Edgewood) | Republican | March 3, 1933 – January 3, 1935 | 73rd | Redistricted from the 33rd district and re-elected in 1932. Lost re-election. |
James L. Quinn (Braddock) | Democratic | January 3, 1935 – January 3, 1939 | 74th 75th | Elected in 1934. Re-elected in 1936. Lost re-election. |
John McDowell (Wikinsburg) | Republican | January 3, 1939 – January 3, 1941 | 76th | Elected in 1938. Lost re-election. |
Samuel A. Weiss (Glassport) | Democratic | January 3, 1941 – January 3, 1943 | 77th | Elected in 1940. Redistricted to the 33rd district. |
Herman P. Eberharter (Pittsburgh) | Democratic | January 3, 1943 – January 3, 1945 | 78th | Redistricted from the 32nd district and re-elected in 1942. Redistricted to the 32nd district. |
James G. Fulton (Pittsburgh) | Republican | January 3, 1945 – January 3, 1953 | 79th 80th 81st 82nd | Elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Redistricted to the 27th district. |
| District dissolved January 3, 1953 |