Pennsylvania's 31st congressional district was one ofPennsylvania's districts of theUnited States House of Representatives. It existed from 1903 to 1953.

Created in 1903, the district served portions of the city ofPittsburgh. The district later expanded to serve portions ofAllegheny County

During the58th Congress, the district served PittsburghWards 1-19 and Ward 23.^[1]

During the81st Congress, the district served Wards 19, 20, 28, 29, 30, and 32 in Pittsburgh and the following portions of Allegheny County.^[2]

• Boroughs served by the 31st District
  • Brentwood
  • Bridgeville
  • Carnegie
  • Castle Shannon
  • Coraopolis
  • Crafton
  • Dormont
  • Green Tree
  • Heidelberg
  • Ingram
  • McDonald
    (5th election district)
  • McKees Rocks
  • Mount Oliver
  • Oakdale
  • Rosslyn Farms
  • Thornburg
• Townships served by the 31st District
  • Baldwin
  • Bethel
  • Collier
  • Crescent
  • Findlay
  • Kennedy
  • Moon
  • Mount Lebanon
  • Neville
  • North Fayette
  • Robinson
  • Scott
  • South Fayette
  • Stowe
  • Upper St. Clair

• 188,099 (1900 census)
• 295,063 (1940 census)

This district was created in 1903, then eliminated in 1953.

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 theAt-large district andre-elected in 1914. Re-elected in 1916. Re-elected in 1918 Re-elected in 1920. Redistricted to the34th district.
Adam M. Wyant (Greensburg)	Republican	March 4, 1923 – March 3, 1933	68th 69th 70th 71st 72nd	Redistricted from the22nd district andre-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 the33rd district andre-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 the33rd district.
Herman P. Eberharter (Pittsburgh)	Democratic	January 3, 1943 – January 3, 1945	78th	Redistricted from the32nd district andre-elected in 1942. Redistricted to the32nd 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 the27th district.
District dissolved January 3, 1953

• Martis, Kenneth C. (1989).The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
• Martis, Kenneth C. (1982).The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
• Congressional Biographical Directory of the United States 1774–presentArchived April 23, 2010, at theWayback Machine

40°20′N80°00′W / 40.333°N 80.000°W /40.333; -80.000

ThisPennsylvania-related article is astub. You can help Wikipedia byadding missing information.

• v
• t
• e

ThisUnited States Congress–related article is astub. You can help Wikipedia byadding missing information.

• v
• t
• e

• Congressional districts of Pennsylvania
• Former congressional districts of the United States
• 1903 establishments in Pennsylvania
• 1953 disestablishments in Pennsylvania
• Constituencies established in 1903
• Constituencies disestablished in 1953
• Pennsylvania stubs
• United States Congress stubs

• Pages using gadget WikiMiniAtlas
• Articles with short description
• Short description matches Wikidata
• Use American English from January 2026
• All Wikipedia articles written in American English
• Use mdy dates from May 2023
• Webarchive template wayback links
• Coordinates on Wikidata
• All stub articles