U.S. Senate · Historical · Wisconsin
Former U.S. Senators from Wisconsin
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.
- Alexander WileyWisconsinRepublicanSenate Class III1939–1963
- Angus CameronWisconsinRepublicanSenate Class III1875–1885
- Charles DurkeeWisconsinRepublicanSenate Class III1855–1861
- Francis DuffyWisconsinDemocraticSenate Class III1933–1939
- Gaylord NelsonWisconsinDemocraticSenate Class III1963–1981
- Henry DodgeWisconsinDemocraticSenate Class I1848–1857
- Herb KohlWisconsinDemocraticSenate Class I1989–2013
- Irvine LenrootWisconsinRepublicanSenate Class III1918–1927
- Isaac StephensonWisconsinRepublicanSenate Class III1907–1915
- Isaac WalkerWisconsinDemocraticSenate Class III1848–1855
- James DoolittleWisconsinRepublicanSenate Class I1857–1869
- John BlaineWisconsinRepublicanSenate Class III1927–1933
- John MitchellWisconsinDemocraticSenate Class I1893–1899
- John SpoonerWisconsinRepublicanSenate Class III1885–1907
- Joseph McCarthyWisconsinRepublicanSenate Class I1947–1957
- Joseph QuarlesWisconsinRepublicanSenate Class I1899–1905
- Matthew CarpenterWisconsinRepublicanSenate Class III1869–1881
- Paul HustingWisconsinDemocraticSenate Class III1915–1917
- Philetus SawyerWisconsinRepublicanSenate Class I1881–1893
- Robert Kasten Jr.WisconsinRepublicanSenate Class III1981–1993
- Robert La FolletteWisconsinRepublicanSenate Class I1906–1925
- Robert La Follette Jr.WisconsinProgressiveSenate Class I1925–1947
- Russell FeingoldWisconsinDemocraticSenate Class III1993–2011
- Timothy HoweWisconsinRepublicanSenate Class III1861–1879
- William ProxmireWisconsinDemocraticSenate Class I1957–1989
- William VilasWisconsinDemocraticSenate Class III1891–1897