| Representative
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Party
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Years
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Cong ress
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Electoral history
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| District established March 4, 1903
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File:James W. Brown 1903.jpg James W. Brown (Pittsburgh)Script error: No such module "Check for unknown parameters".
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Template:Party shading/Independent Republican | Independent Republican
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March 4, 1903 – March 3, 1905
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Elected in 1902. Retired.
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File:Hon. A.J. Barchfeld (cropped).jpg Andrew J. Barchfeld (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="background-color:Template:Republican Party (US)/meta/shading" | Republican
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March 3, 1905 – March 3, 1917
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Elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Re-elected in 1912. Re-elected in 1914. Retired.
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File:Guy E. Campbell, Pa., 2-23-21 LCCN2016844958 (cropped).jpg Guy E. Campbell (Crafton)Script error: No such module "Check for unknown parameters".
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style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
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March 4, 1917 – March 3, 1923
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Re-elected in 1916. Re-elected in 1918 Re-elected in 1920. Redistricted to the 36th district.
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File:Porter 4408113101 faa524233c o.jpg Stephen G. Porter (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="background-color:Template:Republican Party (US)/meta/shading" | Republican
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March 4, 1923 – June 27, 1930
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Redistricted from the 29th district and re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Died.
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| Vacant
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June 27, 1930 – November 4, 1930
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File:Edmund F. Erk, c. 1930–1933.jpg Edmund F. Erk (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="background-color:Template:Republican Party (US)/meta/shading" | Republican
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November 4, 1930 – March 3, 1933
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Elected to finish Porter's term. Re-elected in 1930. Lost renomination.
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File:Michael Joseph Muldowney, c. 1933–1935.jpg Michael J. Muldowney (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="background-color:Template:Republican Party (US)/meta/shading" | Republican
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March 4, 1933 – January 3, 1935
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Elected in 1932. Lost re-election.
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File:TheodoreLMoritz.jpg Theodore L. Moritz (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
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January 3, 1935 – January 3, 1937
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Elected in 1934. Lost renomination.
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File:Herman P. Eberharter (Pennsylvania Congressman).jpg Herman P. Eberharter (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
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January 3, 1937 – January 3, 1943
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Elected in 1936. Re-elected in 1938. Re-elected in 1940. Redistricted to the 31st district.
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File:James A. Wright (Pennsylvania Congressman).jpg James A. Wright (Carnegie)Script error: No such module "Check for unknown parameters".
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style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
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January 3, 1943 – January 3, 1945
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Redistricted from the 34th district and re-elected in 1942. Lost re-election.
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File:Herman P. Eberharter (Pennsylvania Congressman).jpg Herman P. Eberharter (Pittsburgh)Script error: No such module "Check for unknown parameters".
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style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
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January 3, 1945 – January 3, 1953
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Redistricted from the 31st district and re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Redistricted to the 28th district.
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| District dissolved January 3, 1953
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