U.S. Senate · Historical · California
Former U.S. Senators from California
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. SenatorAaron SargentCaliforniaRepublicanSenate Class III1873–1879
- Former U.S. SenatorAbram WilliamsCaliforniaRepublicanSenate Class I1886–1887
- Former U.S. SenatorAlan CranstonCaliforniaDemocraticSenate Class III1969–1993
- Former U.S. SenatorBarbara BoxerCaliforniaDemocraticSenate Class III1993–2017
- Former U.S. SenatorCharles FeltonCaliforniaRepublicanSenate Class I1891–1893
- Former U.S. SenatorClair EngleCaliforniaDemocraticSenate Class I1959–1965
- Former U.S. SenatorCornelius ColeCaliforniaRepublicanSenate Class III1867–1873
- Former U.S. SenatorDavid BroderickCaliforniaDemocraticSenate Class I1857–1859
- Former U.S. SenatorDianne FeinsteinCaliforniaDemocraticSenate Class I1992–2023
- Former U.S. SenatorEugene CasserlyCaliforniaDemocraticSenate Class I1869–1873
- Former U.S. SenatorFrank FlintCaliforniaRepublicanSenate Class I1905–1911
- Former U.S. SenatorGeorge HearstCaliforniaDemocraticSenate Class I1886–1891
- Former U.S. SenatorGeorge MurphyCaliforniaRepublicanSenate Class I1965–1971
- Former U.S. SenatorGeorge PerkinsCaliforniaRepublicanSenate Class III1893–1915
- Former U.S. SenatorHenry HaunCaliforniaDemocraticSenate Class I1859–1861
- Former U.S. SenatorHiram JohnsonCaliforniaRepublicanSenate Class I1917–1945
- Former U.S. SenatorJames FarleyCaliforniaDemocraticSenate Class III1879–1885
- Former U.S. SenatorJames McDougallCaliforniaDemocraticSenate Class III1861–1867
- Former U.S. SenatorJames PhelanCaliforniaDemocraticSenate Class III1915–1921
- Former U.S. SenatorJohn ConnessCaliforniaRepublicanSenate Class I1863–1869
- Former U.S. SenatorJohn FrémontCaliforniaDemocraticSenate Class I1850–1851
- Former U.S. SenatorJohn HagerCaliforniaDemocraticSenate Class I1873–1875
- Former U.S. SenatorJohn MillerCaliforniaRepublicanSenate Class I1881–1887
- Former U.S. SenatorJohn SeymourCaliforniaRepublicanSenate Class I1991–1993
- Former U.S. SenatorJohn TunneyCaliforniaDemocraticSenate Class I1971–1977
- Former U.S. SenatorJohn WellerCaliforniaDemocraticSenate Class I1852–1857
- Former U.S. SenatorJohn WorksCaliforniaRepublicanSenate Class I1911–1917
- Former U.S. SenatorKamala HarrisCaliforniaDemocraticSenate Class III2017–2021
- Former U.S. SenatorLaphonza ButlerCaliforniaDemocraticSenate Class I2023–2024
- Former U.S. SenatorLeland StanfordCaliforniaRepublicanSenate Class III1885–1893
- Former U.S. SenatorMilton LathamCaliforniaDemocraticSenate Class I1860–1863
- Former U.S. SenatorNewton BoothCaliforniaRepublicanSenate Class I1875–1881
- Former U.S. SenatorPete WilsonCaliforniaRepublicanSenate Class I1983–1991
- Former U.S. SenatorPierre SalingerCaliforniaDemocraticSenate Class I1964–1965
- Former U.S. SenatorRichard NixonCaliforniaRepublicanSenate Class III1950–1953
- Former U.S. SenatorSamuel HayakawaCaliforniaRepublicanSenate Class I1977–1983
- Former U.S. SenatorSamuel ShortridgeCaliforniaRepublicanSenate Class III1921–1933
- Former U.S. SenatorSheridan DowneyCaliforniaDemocraticSenate Class III1939–1951
- Former U.S. SenatorStephen WhiteCaliforniaDemocraticSenate Class I1893–1899
- Former U.S. SenatorThomas BardCaliforniaRepublicanSenate Class I1900–1905
- Former U.S. SenatorThomas KuchelCaliforniaRepublicanSenate Class III1953–1969
- Former U.S. SenatorThomas StorkeCaliforniaDemocraticSenate Class III1938–1939
- Former U.S. SenatorWilliam GwinCaliforniaDemocraticSenate Class III1850–1861
- Former U.S. SenatorWilliam KnowlandCaliforniaRepublicanSenate Class I1945–1959
- Former U.S. SenatorWilliam McAdooCaliforniaDemocraticSenate Class III1933–1939