U.S. Senate · Historical · Pennsylvania
Former U.S. Senators from Pennsylvania
Individuals who have served in the United States Senate and have since left office, grouped by the state they represented. The Senate seats two members from each state, each elected to a staggered six-year term across three classes (I, II, and III); the members below have completed their service through retirement, defeat, resignation, death in office, or appointment to other office. Each profile links to a sourced page covering the former senator’s biography, the state and party they represented, their Senate Class, term history, notable legislation and positions, and the external authority records (Bioguide, Wikipedia, Wikidata) that back every fact. Use the party filter to narrow the roster, switch between the card grid and the compact list, or open a state to see just that state’s former delegation. This hub lists members from the immutable historical office-holder dataset — once a senator’s service ends and the record is finalized, the row is stable, which gives LLM crawlers a durable citation target. Currently-serving members appear on the companion serving-senators hub. The full machine-readable roster is published as a versioned JSON dataset for downstream researchers and language models.
- Former U.S. SenatorAbner LacockPennsylvaniaRepublicanSenate Class III1813–1819
- Former U.S. SenatorAndrew GreggPennsylvaniaRepublicanSenate Class III1807–1813
- Former U.S. SenatorArlen SpecterPennsylvaniaDemocraticSenate Class III1981–2011
- Former U.S. SenatorBob Casey Jr.PennsylvaniaDemocraticSenate Class I2007–2025
- Former U.S. SenatorBoies PenrosePennsylvaniaRepublicanSenate Class III1897–1921
- Former U.S. SenatorCharles BuckalewPennsylvaniaDemocraticSenate Class I1863–1869
- Former U.S. SenatorDaniel SturgeonPennsylvaniaDemocraticSenate Class I1840–1851
- Former U.S. SenatorDavid ReedPennsylvaniaRepublicanSenate Class I1922–1935
- Former U.S. SenatorDavid WilmotPennsylvaniaRepublicanSenate Class I1861–1863
- Former U.S. SenatorEdgar CowanPennsylvaniaRepublicanSenate Class III1861–1867
- Former U.S. SenatorEdward MartinPennsylvaniaRepublicanSenate Class I1947–1959
- Former U.S. SenatorFrancis MyersPennsylvaniaDemocraticSenate Class III1945–1951
- Former U.S. SenatorGeorge DallasPennsylvaniaJacksonSenate Class I1831–1833
- Former U.S. SenatorGeorge LoganPennsylvaniaRepublicanSenate Class III1801–1807
- Former U.S. SenatorGeorge OliverPennsylvaniaRepublicanSenate Class I1909–1917
- Former U.S. SenatorGeorge PepperPennsylvaniaRepublicanSenate Class III1922–1927
- Former U.S. SenatorHarris WoffordPennsylvaniaDemocraticSenate Class I1991–1995
- Former U.S. SenatorHenry Heinz IIIPennsylvaniaRepublicanSenate Class I1977–1991
- Former U.S. SenatorHugh Scott Jr.PennsylvaniaRepublicanSenate Class I1959–1977
- Former U.S. SenatorIsaac BarnardPennsylvaniaJacksonSenate Class I1827–1831
- Former U.S. SenatorJames BuchananPennsylvaniaDemocraticSenate Class III1834–1845
- Former U.S. SenatorJames CameronPennsylvaniaRepublicanSenate Class III1877–1897
- Former U.S. SenatorJames CooperPennsylvaniaWhigSenate Class III1849–1855
- Former U.S. SenatorJames DavisPennsylvaniaRepublicanSenate Class III1930–1945
- Former U.S. SenatorJames DuffPennsylvaniaRepublicanSenate Class III1951–1957
- Former U.S. SenatorJames RossPennsylvaniaFederalistSenate Class I1794–1803
- Former U.S. SenatorJohn MitchellPennsylvaniaRepublicanSenate Class I1881–1887
- Former U.S. SenatorJohn MuhlenbergPennsylvaniaDemocraticSenate Class III1801–1801
- Former U.S. SenatorJohn ScottPennsylvaniaRepublicanSenate Class I1869–1875
- Former U.S. SenatorJonathan RobertsPennsylvaniaRepublicanSenate Class I1814–1821
- Former U.S. SenatorJoseph ClarkPennsylvaniaDemocraticSenate Class III1957–1969
- Former U.S. SenatorJoseph GrundyPennsylvaniaRepublicanSenate Class III1929–1931
- Former U.S. SenatorJoseph GuffeyPennsylvaniaDemocraticSenate Class I1935–1947
- Former U.S. SenatorMatthew QuayPennsylvaniaRepublicanSenate Class I1887–1904
- Former U.S. SenatorMichael LeibPennsylvaniaRepublicanSenate Class I1809–1815
- Former U.S. SenatorPat ToomeyPennsylvaniaRepublicanSenate Class III2011–2023
- Former U.S. SenatorPhilander KnoxPennsylvaniaRepublicanSenate Class I1904–1921
- Former U.S. SenatorRichard BrodheadPennsylvaniaDemocraticSenate Class I1851–1857
- Former U.S. SenatorRichard SchweikerPennsylvaniaRepublicanSenate Class III1969–1981
- Former U.S. SenatorRick SantorumPennsylvaniaRepublicanSenate Class I1995–2007
- Former U.S. SenatorRobert MorrisPennsylvaniaPro-AdministrationSenate Class III1789–1795
- Former U.S. SenatorSamuel MaclayPennsylvaniaRepublicanSenate Class I1803–1809
- Former U.S. SenatorSamuel McKeanPennsylvaniaDemocraticSenate Class I1833–1839
- Former U.S. SenatorSimon CameronPennsylvaniaRepublicanSenate Class III1845–1877
- Former U.S. SenatorWalter LowriePennsylvaniaRepublicanSenate Class III1819–1825
- Former U.S. SenatorWilliam BiglerPennsylvaniaDemocraticSenate Class III1856–1861
- Former U.S. SenatorWilliam BinghamPennsylvaniaFederalistSenate Class III1795–1801
- Former U.S. SenatorWilliam CrowPennsylvaniaRepublicanSenate Class I1921–1923
- Former U.S. SenatorWilliam FindlayPennsylvaniaJacksonSenate Class I1821–1827
- Former U.S. SenatorWilliam MaclayPennsylvaniaAnti-AdministrationSenate Class I1789–1791
- Former U.S. SenatorWilliam MarksPennsylvaniaAdamsSenate Class III1825–1831
- Former U.S. SenatorWilliam VarePennsylvaniaRepublicanSenate Class III1927–1929
- Former U.S. SenatorWilliam WallacePennsylvaniaDemocraticSenate Class I1875–1881
- Former U.S. SenatorWilliam WilkinsPennsylvaniaJacksonSenate Class III1831–1835