Former third-party state officeholders since 1900 (by office)
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This page lists former state executives, state legislators, and members of the U.S. Congress who served in office as a member of a political party other than Republican or Democrat from 1900 through January 2018.
The list is organized into separate tabs by office. Click here for this list organized by political party, and click here for this list organized by state.
Note: The party listed below is the party the officeholder was affiliated with when leaving office. All officeholders below were a member of the listed party at some point while they held the seat. For officials who served in multiple offices, only the last office they served in is listed.
Congress
| Name: | Party: | Office: | Term in office: |
|---|---|---|---|
| Bernard J. Gehrmann | Progressive | U.S. House, Wisconsin | January 3, 1935 – January 3, 1943 |
| Caldwell Edwards | Populist | U.S. House, Montana | March 4, 1901 – March 3, 1903 |
| Charles M. Thomson | Progressive | U.S. House, Illinois | March 4, 1913 – March 3, 1915 |
| Dean Barkley | |||
| Dewey Johnson | Farmer-Laborite | U.S. House, Minnesota | January 3, 1937 – January 3, 1939 |
| Edgar Wilson | Silver Republican | U.S. House, Idaho | March 4, 1899 – March 3, 1901 |
| Edwin R. Ridgely | Populist | U.S. House, Kansas | March 4, 1897 – March 3, 1901 |
| Elmer Austin Benson | Farmer-Laborer | Governor of Minnesota | January 4, 1937 – January 2, 1939 |
| Ernest Lundeen | Farmer Laborite | U.S. Senate, Minnesota | January 3, 1937 – August 31, 1940 |
| Francis Shoemaker | Farmer-Laborite | U.S. House, Minnesota | March 4, 1933 – January 3, 1935 |
| Franck R. Havenner | Democratic | U.S. House, California | January 3, 1945 – January 3, 1953 |
| Franklin Delano Roosevelt Jr. | Democrat | U.S. House, New York | May 17, 1949 – January 3, 1955 |
| Frazier Reams | Independent | U.S. House, Ohio | January 3, 1951 – January 3, 1955 |
| Fred Dubois | Democratic | U.S. Senate, Idaho | March 4, 1901 – March 3, 1907 |
| Gardner R. Withrow | Republican | U.S. House, Wisconsin | January 3, 1949 – January 3, 1961 |
| George J. Schneider | Progressive | U.S. House, Wisconsin | January 3, 1935 – January 3, 1939 |
| George W. Norris | Independent | U.S. Senate, Nebraska | March 4, 1913 – July 3, 1943 |
| Gerald J. Boileau | Progressive | U.S. House, Wisconsin | March 4, 1931 – January 3, 1939 |
| Harold Hagen | Farmer-Laborite | U.S. House, Minnesota | January 3, 1943 – January 3, 1955 |
| Harry F. Byrd, Jr. | Independent | U.S. Senate, Virginia | November 12, 1965 – January 2, 1983 |
| Harry Sauthoff | Progressive | U.S. House, Wisconsin | January 3, 1941 – January 3, 1945 |
| Henrik Shipstead | Republican | U.S. Senate, Minnesota | March 4, 1923 – January 3, 1947 |
| Henry Heitfeld | Populist | U.S. Senate, Idaho | March 4, 1897 – March 3, 1903 |
| Henry M. Arens | Farmer-Laborite | U.S. House, Minnesota | March 4, 1933 – January 3, 1935 |
| Henry Moore Teller | Democratic | U.S. Senate, Colorado | March 4, 1885 – March 3, 1909 |
| Henry Teigan | Farmer-Laborite | U.S. House, Minnesota | January 3, 1937 – January 3, 1939 |
| Henry Wilson Temple | Republican | U.S. House, Pennsylvania | November 2, 1915 – March 3, 1933 |
| Ira C. Copley | Republican | U.S. House, Illinois | March 4, 1911 – March 3, 1923 |
| Irwin D. Davidson | Liberal Party of New York | U.S. House, New York | January 3, 1955 – December 31, 1956 |
| Jacob Falconer | Progressive | U.S. House, Washington | March 4, 1913 – March 3, 1915 |
| James H. Kyle | Populist | U.S. Senate, South Dakota | March 4, 1891 – July 1, 1901 |
| James L. Buckley | |||
| James Merrill "Jim" Jeffords | Independent | U.S. Senate, Vermont | January 3, 1989 – January 3, 2007 |
| John Bernard | Farmer-Laborite | U.S. House, Minnesota | January 3, 1937 – January 3, 1939 |
| John Calhoun Bell | Populist | U.S. House, Colorado | March 4, 1893 – March 3, 1903 |
| John F. Shafroth | Democratic | U.S. House, Colorado | March 4, 1913 – March 3, 1919 |
| John P. Jones | Republican | U.S. Senate, Nevada | March 4, 1873 – March 3, 1903 |
| John Wilbur Atwater | Populist | U.S. House, North Carolina | March 4, 1899 – March 3, 1901 |
| Knud Wefald | Farmer-Laborite | U.S. House, Minnesota | March 4, 1923 – March 3, 1929 |
| Leo Isacson | American Laborite | U.S. House, New York | February 17, 1948 – January 3, 1949 |
| Magnus Johnson | Farmer Laborite | U.S. House, Minnesota | March 4, 1933 – January 3, 1935 |
| Merlin Hull | Republican | U.S. House, Wisconsin | January 3, 1935 – May 17, 1953 |
| Meyer London | Socialist | U.S. House, New York | March 4, 1921 – March 3, 1923 |
| Miles Poindexter | Republican | U.S. Senate, Washington | March 4, 1911 – March 3, 1923 |
| Norman F. Lent | Conservative Party of New York | U.S. House, New York | January 3, 1971 – January 3, 1993 |
| Ole J. Kvale | Farmer-Laborite | U.S. House, Minnesota | March 4, 1923 – September 11, 1929 |
| Paul John Kvale | Farmer-Laborite | U.S. House, Minnesota | October 16, 1929 – January 3, 1939 |
| Rich T. Buckler | Farmer-Laborite | U.S. House, Minnesota | January 3, 1935 – January 3, 1943 |
| Richard F. Pettigrew | Silver Republican | U.S. Senate, South Dakota | November 2, 1889 – March 3, 1901 |
| Robert M. La Follette, Jr. | Republican | U.S. Senate, Wisconsin | September 9, 1925 - 1947 |
| Roderick Dhu Sutherland | Populist | U.S. House, Nebraska | March 4, 1897 – March 3, 1901 |
| Roy O. Woodruff | Republican | U.S. House, Michigan | March 4, 1921 – January 3, 1953 |
| Thomas L. Glenn | Populist | U.S. House, Idaho | March 4, 1901 – March 3, 1903 |
| Thomas Ryum Amlie | Progressive | U.S. House, Wisconsin | January 3, 1935 – January 3, 1939 |
| Victor L. Berger | Socialist | U.S. House, Wisconsin | March 4, 1923 – March 3, 1929 |
| Virgil Goode | Republican | U.S. House, Virginia, District 5 | January 3, 1997 – January 3, 2009 |
| Vito Marcantonio | American-Laborite | U.S. House, New York | January 3, 1939 – January 3, 1951 |
| Walter M. Chandler | Republican | U.S. House, New York | March 4, 1921 – March 3, 1923 |
| Wayne Morse | Democratic | U.S. Senate, Oregon | January 3, 1945 – January 3, 1969 |
| Whitmell P. Martin | Democratic | U.S. House, Louisiana | March 4, 1915 – April 6, 1929 |
| William A. Harris | Populist | U.S. Senate, Kansas | March 4, 1897 – March 3, 1903 |
| William H. Hinebaugh | Progressive | U.S. House, Illinois | March 4, 1913 – March 3, 1915 |
| William Josiah MacDonald | Progressive | U.S. House, Michigan | August 26, 1913 – March 3, 1915 |
| William Kent | Independent | U.S. House, California | March 4, 1911 – March 3, 1917 |
| William Ledyard Stark | Populist | U.S. House, Nebraska | March 4, 1897 – March 3, 1903 |
| William Leighton Carss | Farmer-Laborite | U.S. House, Minnesota | March 4, 1925/March 3, 1929 |
| William M. Stewart | Republican | U.S. Senate, Nevada | 1887 – 1905 |
| William Neville | Populist | U.S. House, Nebraska | December 4, 1899 – March 3, 1903 |
| William Stephens | Progressive | U.S. House, California | March 4, 1911 – July 22, 1916 |
| William V. Allen | Populist | U.S. Senate, Nebraska | December 13, 1899 – March 28, 1901 |
| Willis James Hulings | Republican | U.S. House, Pennsylvania | March 4, 1919 – March 3, 1921 |
State executive officials
| Name: | Party: | Office: | Term in office: |
|---|---|---|---|
| Andrew E. Lee | Fusion Party | Governor of South Dakota | January 1, 1897 - January 8, 1901 |
| Angus King | Independent | U.S. Senate, Maine | January 3, 2013-Present |
| Arne Carlson | Independent Republican | Governor of Minnesota | January 7, 1991 – January 4, 1999 |
| Charlie Crist | Democratic | U.S. House, Florida, District 13 | January 3, 2017 - Present |
| Denver S. Dickerson | Silver-Democratic | Governor of Nevada | May 22, 1908 – January 2, 1911 |
| Elmer Austin Benson | Farmer-Laborer | Governor of Minnesota | January 4, 1937 – January 2, 1939 |
| Eunice S. Groark | A Connecticut Party | Lieutenant Governor of Connecticut | January 9, 1991 – January 4, 1995 |
| Floyd B. Olson | Farmer-Laborer | Governor of Minnesota | January 6, 1931 – August 22, 1936 |
| Francis Patrick Carney | Populist | Lieutenant Governor of Colorado | 1899 – 1901 |
| Gottfrid Lindsten | Farmer-Laborer | Lieutenant Governor of Minnesota | January 5, 1937 – January 2, 1939 |
| Henry A. Gunderson | Populist | Lieutenant Governor of Wisconsin | 1936 – October 16, 1937 |
| Henry Howell | Independent | Lieutenant Governor of Virginia | 1971-1973 |
| Henry M. Arens | Farmer-Laborite | U.S. House, Minnesota | March 4, 1933 – January 3, 1935 |
| Herman L. Ekern | Populist | Lieutenant Governor of Wisconsin | 1937 – 1939 |
| Hiram Johnson | Progressive | Governor of California | 1911 – March 15, 1917 |
| Hjalmar Petersen | Farmer-Laborer | Governor of Minnesota | August 24, 1936 – January 4, 1937 |
| Jack Coghill | Alaskan Independence Party | Lieutenant Governor of Alaska | December 3, 1990 – December 5, 1994 |
| James B. Longley | Independent | Governor of Maine | January 2, 1975 – January 3, 1979 |
| James H. Calderhead | Populist | Montana Auditor | January 7, 1901 – January 2, 1905 |
| Jesse Ventura | Independence Party | Governor of Minnesota | January 8, 1999 - January 6, 2003 |
| John Morton Eshleman | Progressive | Lieutenant Governor of California | January 15, 1915 – February 28, 1916 |
| John Rankin Rogers | Democratic | Governor of Washington | January 11, 1897 – December 26, 1901 |
| John Sparks | Silver-Democratic | Governor of Nevada | January 5, 1903 – May 22, 1908 |
| Julius L. Meier | Independent | Governor of Oregon | January 12, 1931 – January 14, 1935 |
| Konrad K. Solberg | Farmer-Laborer | Lieutenant Governor of Minnesota | January 3, 1933 – January 8, 1935 |
| Lowell Weicker | A Connecticut Party | Governor of Connecticut | January 9, 1991 – 1995 |
| Mae Schunk | Reform Party | Lieutenant Governor of Minnesota | January 4, 1999 - January 6, 2003 |
| Orland Loomis | Progressive | Attorney General of Wisconsin | 1937 – 1938 |
| Philip La Follette | Progressive | Governor of Wisconsin | January 7, 1935 – January 2, 1939 |
| Reinhold Sadler | Silver | Governor of Nevada | April 10, 1896 – January 5, 1903 |
| Robert Burns Smith | Democratic-Populist | Governor of Montana | January 4, 1897 – January 7, 1901 |
| Sidney Johnston Catts | Prohibition Party | Governor of Florida | January 2, 1917 – January 4, 1921 |
| Thomas S. Hogan | Populist | Secretary of State of Montana | January 1897 – January 1901 |
| Thurston Daniels | Populist | Lieutenant Governor of Washington | 1897 – 1901 |
| Wally Hickel | Republican | Governor of Alaska | December 3, 1990 – December 5, 1994 |
| William A. Poynter | Populist | Governor of Nebraska | January 5, 1899 – January 3, 1901 |
State legislators
| Name: | Party: | Office: | Term in office: |
|---|---|---|---|
| A.G. Macallan | Independent | Nevada State Senate | November 1918 – November 1922 |
| A.G. Meyers | Independent | Nevada State Assembly | November 1922 – November 1924 |
| A.L. Jordan | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| A.M. Britt | Silver-Democratic | Nevada State Assembly | November 1906 – November 1908 |
| A.P. Johnson | Silver | Nevada State Assembly | November 1900 – November 1902 |
| A.T. Larsen | Farmer-Labor | Montana House of Representatives | January 5, 1925 - March 9, 1925 |
| A. M. Schroeder | Independent | Minnesota House of Representatives | 1903 – 1904 |
| Al Livingston | Silver | Nevada State Senate | November 1898 – November 1902 |
| Albert E. Eccles | Socialist | Connecticut State Senate | 1935 – 1936 |
| Albert Lasseigne | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Alcide Robichaux | Democratic | Louisiana State Senate | 1916 – 1920 |
| Alex Mackel | Socialist | Montana House of Representatives | January 4, 1915 - March 7, 1915 |
| Alonzo H. Davis | Silver Republican | Colorado House of Representatives | 1905 – 1906 |
| Andre Marrou | Libertarian | Alaska House of Representatives | 1985 – 1987 |
| Andy J. Burke | Silver-Democratic | Nevada State Assembly | November 1900 – November 1902 |
| Annie Follett Jorgensen | Independent | Connecticut House of Representatives | 1955 – 1956 |
| Anton V. Anderson | Prohibition | Minnesota House of Representatives | 1915 - 1918 |
| Archie B. Clayton | Independent | Nevada State Assembly | November 1918 – November 1920 |
| Arthur C. Bartels | Silver Republican | Colorado House of Representatives | 1899 – 1902 |
| Audie Bock | Independent | California State Senate, District 10 | |
| Audubon J. Secor | Separatist | Connecticut State Senate | 1939 – 1940 |
| August Claessens | Socialist Party | New York State Assembly | 1918-1920, 1922-1923 |
| Austin Blakey | Populist | Colorado State Senate District 16 | 1911 – 1914 |
| Barney Ferry | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| Bert Jones | Republican | North Carolina House of Representatives, District 65 | 2011 - Present |
| Blair Burwell | Populist | Colorado House of Representatives | 1899 – 1902 |
| Bob B. Lessard | Independence | Minnesota State Senate District 3 | 1977 – 2002 |
| C.E. "Peppi" Bruneau, Jr. | Independent | Louisiana House of Representatives | 1976 – 1984 |
| C.E. Taylor | Socialist | Montana House of Representatives | January 4, 1915 - March 7, 1915 |
| C.H. Connor | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| C. F. Wilkin | Republican | Colorado State Senate District 10 | 1915 – 1918 |
| C. M. Hammond | Populist | Colorado House of Representatives | 1899 – 1902 |
| Cady R. Morse | Progressive | Connecticut House of Representatives | 1913 – 1914 |
| Care C. Tidd | Independent | Nevada State Assembly | November 1916 – November 1920 |
| Carl Moses | Democratic | Alaska House of Representatives | 1993 - 2006 |
| Charles A. Berg | Republican | Minnesota State Senate | 1981 - 2002 |
| Charles A. Glazier | Independent | Connecticut House of Representatives | 1915 – 1916 |
| Charles A. Searles | Independent | Montana House of Representatives | January 4, 1915 - March 7, 1915 |
| Charles A. Steele | Socialist | Nevada State Assembly | November 1914 – November 1916 |
| Charles B. Ward | Populist | Colorado State Senate District 5 | 1901 – 1904 |
| Charles Dempster | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| Charles E. Carriher | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| Charles E. Taylor | Farmer-Labor | Montana State Senate | January 7, 1929 - March 13, 1929 |
| Charles G. Pitschke | Populist | Colorado House of Representatives | 1901 – 1902 |
| Charles Geyman | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| Charles H. Munson | Democratic | Louisiana House of Representatives | 1916 – 1920 |
| Charles H. Stinson | Silver | Nevada State Assembly | November 1900 – November 1902 |
| Charles L. Caldwell | Independent | Nevada State Assembly | November 1944 – November 1946 |
| Charles L. Chauvin | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Charles L. Joslin | Independent | Maryland House of Delegates | 1906 - 1908 |
| Charles Lannin | Labor | Montana House of Representatives | January 2 – March 2, 1905 |
| Charles Lenmore Richards | Independent | Nevada State Assembly | November 1918 – November 1920 |
| Charles MacRae | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| Charles Myers "Bud" Edmonds | Republican | Colorado House of Representatives | 1967-1974 |
| Charles S. Greene | Silver | Nevada State Senate | November 1900 – November 1904 |
| Charles Silvey Sprague | Silver Republican | Colorado House of Representatives | 1901 – 1902 |
| Charles Solomon | Socialist Party | New York State Assembly | 1919-1921 |
| Charles T. Philp | Populist | Colorado House of Representatives | 1913 – 1914 |
| Charles W. Judkins | Populist | Colorado House of Representatives | 1911 – 1912 |
| Chester C. Hamilton | Progressive | Connecticut House of Representatives | |
| Christen L. Sulerud | Prohibition | Minnesota House of Representatives | 1909 - 1912 |
| Clair Stewart | Independent | Nevada State Assembly | November 1934 – November 1936 |
| Clark W. Roe | Populist | Colorado State Senate District 15 | 1899 – 1902 |
| Clay Dugas | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Clifton Uniacke | Independent | Nevada State Senate | November 1920 – November 1924 |
| Cornelius A. Moylan | Socialist | Connecticut State Senate | 1939 – 1940 |
| Cornelius Cunningham | Populist | Colorado House of Representatives | 1901 – 1902 |
| David P. Smith | Independent | Maryland House of Delegates | 1906 - 1908 |
| David Slagger | Independent | Governor of Maine | |
| Dwight Brinton | Progressive-Republican | Connecticut House of Representatives | 1913 – 1914 |
| E.D. Blake | Silver-Democratic | Nevada State Assembly | November 1908 – November 1910 |
| E.D. Theriot | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| E.E. Jordan | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| E.H. Whitacre | Independent | Nevada State Assembly | November 1918 – November 1922 |
| E.L. Bachman | Independent | Nevada State Assembly | November 1918 – November 1920 |
| E.L. Simmons | Democratic | Louisiana State Senate | 1916 – 1920 |
| E. Henry Covington | Independent | Maryland House of Delegates | 1906 - 1908 |
| E. K. Packard | Nonpartisan | Colorado House of Representatives | 1909 – 1910 |
| Earl Ray Miller, Jr. | Progressive | Nevada State Assembly | November 1946 – November 1948 |
| Edgar Sadler | Silver | Nevada State Assembly | November 1904 – November 1908 |
| Edward C. Willis | Independent | Alaska House of Representatives | 1993 - 1996 |
| Edward P. Hardesty | Silver | Nevada State Senate | November 1898 – November 1902 |
| Edward P. Holmes | Silver-Democratic | Nevada State Assembly | November 1900 – March 1903 |
| Edwin T. Lauritzen | Independent | Nevada State Assembly | November 1934 – November 1936 |
| Elbert Greenman | Populist | Colorado House of Representatives | 1909 – 1910 |
| Elias Milton Ammons | Teller Silver Republican | Colorado State Senate District 3 | 1899 – 1902 |
| Emerson F. Titlow | Democratic | Nevada State Senate | November 1964 – November 1972 |
| Emil Julius Meilicke | Populist | Minnesota State Senate | 1899 – 1902 |
| Emmett A. Bromley | Silver Republican | Colorado House of Representatives | 1905 – 1906 |
| Engebret E. Lobeck | Prohibition | Minnesota House of Representatives | 1907 - 1910 |
| Evangeline Heartz | Populist | Colorado House of Representatives | 1915 – 1918 |
| Everett Bell | Teller Silver Republican | Colorado House of Representatives | 1899 – 1902 |
| Everett McClayton | People's Party | Maryland House of Delegates | 1916 - 1918 |
| F.A. Carnal | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| F.J. Pelletier | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| F.S. Sanden | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| Francis M. Weiland | Republican | Colorado State Senate District 23 | 1913 – 1916 |
| Frank A. Caley | Populist | Colorado House of Representatives | 1901 – 1902 |
| F.B. Axtell | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Frank Gilman Folsom | Democratic | Nevada State Assembly | November 1906 – November 1910 |
| Frank H. Fuss | Independent | Nevada State Assembly | November 1926 – November 1930 |
| Frank Madden | Populist | Colorado House of Representatives | 1901 – 1902 |
| Frank O. Stickney | Independent | Nevada State Senate | November 1912 – November 1916 |
| Frank Paul | Silver | Nevada State Assembly | November 1898 – November 1902 |
| Frank R. Ferguson | No Party | Alaska House of Representatives | 1971 – 1975 |
| Franklin Eugene Carringer | Silver Republican | Colorado State Senate District 8 | 1909 – 1912 |
| Fred Craze | Silver-Democratic | Nevada State Assembly | November 1914 – November 1916 |
| Fred Gagner | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Fred Hanson | Independent | Montana House of Representatives | January 3, 1921 - March 5, 1921, March 5 - 22, 1921 |
| Fred J. Pelletier | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Fred S. Sanden | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| Fred Strosnider | Independent | Nevada State Assembly | November 1942 – November 1944 |
| Fred W. Parks | Teller Silver Republican | Colorado State Senate | 1905 – 1908 |
| Frederick A. Meredith | Silver Republican | Colorado House of Representatives | 1901 – 1902 |
| Frederick C. Lord | Silver-Democratic | Nevada State Assembly | November 1902 – November 1906 |
| Frederick S. "Fred" Bolsinger | Populist | Colorado House of Representatives | 1905 – 1908 |
| Frederick S. Talcott | Independent | Nevada State Assembly | November 1938 – November 1940 |
| G. M. Ohler | Nonpartisan | Colorado House of Representatives | 1909 – 1910 |
| George A. Blair | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| George E. Peckham | Silver | Nevada State Assembly | November 1900 – November 1902 |
| George H. Voxland | Prohibition | Minnesota House of Representatives | 1911 - 1914 |
| George L. Kaeding | Independent | Nevada State Assembly | November 1916 – November 1918 |
| George M. (Teller) Hollenbeck | Populist | Colorado House of Representatives | 1911 – 1912 |
| George R. Smith | Gold Democrat | Connecticut House of Representatives | 1901 – 1902 |
| George T. Veeder | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| George W. Higgins | Prohibition | Minnesota House of Representatives | 1907 - 1908 |
| Glen C. Norstrom | Independent | Nevada State Assembly | November 1946 – November 1948 |
| Grace I. Edwards | Independent | Connecticut House of Representatives | 1921 – 1922 |
| Guido LaGrotta | Independent | Connecticut House of Representatives | 1959 – 1972 |
| Gus Labarre | Democratic | Louisiana State Senate | 1916 – 1920 |
| Guy W. Stapleton | Fusion Democrat | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| H.C. Crippen | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| H.S. Tomkins | Populist | Colorado House of Representatives | 1903 – 1904 |
| H.T. Mayfield | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| Harry A. Vagg | Progressive | Montana State Senate | January 4, 1915 - March 7, 1915 |
| Harry E. Insley | Silver Republican | Colorado House of Representatives | 1901 – 1902 |
| Harry K. Davis | Independent | Nevada State Assembly | November 1912 – November 1914 |
| Harry Lewney | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| Harry Rider | Progressive-Republican | Connecticut House of Representatives | 1913 – 1914 |
| Henry C. Bolsinger | Populist | Colorado House of Representatives | 1915 – 1916 |
| Henry F. Dangberg, Jr. | Silver-Democratic | Nevada State Senate | November 1902 – November 1906 |
| Henry F. Plowman | Populist | Minnesota House of Representatives | 1899 – 1902 |
| Henry Jager | Socialist Party | New York State Assembly | 1921 |
| Henry L. Roberts | Teller Silver Republican | Colorado State Senate District 12 | 1901 – 1904 |
| Henry Paul | Populist | Colorado House of Representatives | 1903 – 1904 |
| Henry Thien | Independent | Montana State Senate | January 7, 1935 - March 11, 1935 |
| Herman E. Freudenthal | Independent | Nevada State Senate | November 1900 – November 1904 |
| Herman Hillmond | Populist | Minnesota House of Representatives | 1901-1902 |
| Herman Richard Cook | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Hugh Trembath | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Ira F. Davis | Socialist | Nevada State Assembly | November 1912 – November 1914 |
| Irving E. Stone | Independent | Connecticut House of Representatives | 1901 – 1902 |
| J.A. Fredrickson | Independent | Nevada State Assembly | November 1918 – November 1920 |
| J.B. Annin | Progressive | Montana State Senate | January 4, 1915 - March 7, 1915 |
| J.B. Henley | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| J.D. Campbell | Independent | Nevada State Senate | November 1916 – November 1920 |
| J.E. McDonnell | Independent Democrat | Montana House of Representatives | January 7 - March 7, 1901 |
| J.E. Souchereau | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| J.F. Lothrop | Fusion | Nevada State Assembly | November 1902 – November 1904 |
| J.H. Martin | Silver | Nevada State Senate | November 1894 – November 1902 |
| J.J. Quinn | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| J.J. Winn | Independent | Nevada State Assembly | November 1902 – November 1904 |
| J.L. Wilson | Independent | Nevada State Assembly | November 1912 – November 1914 |
| J.M. Boardman | Progressive | Montana State Senate | January 6, 1913 - March 6, 1913 |
| J.M. Madden | Independent Democrat | Montana House of Representatives | January 7 - March 7, 1901 |
| J.P. McElroy | Silver | Nevada State Assembly | November 1902 – November 1904 |
| J.W. Wilson | Silver | Nevada State Senate | November 1904 – November 1908 |
| J. Sheehan | Independent | Nevada State Senate | November 1920 – November 1924 |
| James C. Evans | Teller Silver Republican | Colorado State Senate District 10 | 1895 – 1901 |
| James Cumming | Populist | Minnesota House of Representatives | 1917 – 1918 |
| James Dilts | Teller Silver Republican | Colorado House of Representatives | 1921-1922 |
| James F. Crosby | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| James G. Sweeney | Silver | Nevada State Assembly | November 1900 – November 1902 |
| James H. Huntington | Independent | Alaska House of Representatives | 1975 – 1976 |
| James H. Hutchins | Republican | Connecticut House of Representatives | 1923 – 1924 |
| James H. Lynch | Anti-Trust Democrat | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| James Platt | Silver Republican | Colorado House of Representatives | 1901 – 1902 |
| James Reilly | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| James T. Boyd | Silver-Democratic | Nevada State Senate | November 1906 – November 1910 |
| James T. Sparling | Farmer-Labor | Montana House of Representatives | January 3, 1925 - March 5, 1927 |
| James Tait | Socialist | Connecticut State Senate | 1939 – 1940 |
| Jay S. Hammond | Republican | Alaska Governor | 1974-1982 |
| Jeffrey Wood | Independent | Wisconsin State Assembly District 67 | 2003 – 2010 |
| Jenna Netherton | Republican | South Dakota State Senate, District 10 | January 13, 2015 - present |
| Jeremiah C. Klinefelter | Progressive | Connecticut House of Representatives | 1913 – 1914 |
| Jerry Connolly | Populist | Montana State Senate | January 7 - March 7, 1901 |
| Jerry Thompson | Independent | Nevada State Assembly | November 1940 – November 1942 |
| Joel Robideaux | Republican | Louisiana House of Representatives District 45 | 2004 - 2016 |
| John A. Davis | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| John A. Rush | Republican | Colorado State Senate District 1 | 1901-1904 |
| John B. Gallagher | Independent | Nevada State Senate | November 1900 – November 1904 |
| John C. Foster | Independent | Nevada State Senate | November 1936 – November 1940 |
| John Collins | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| John D. Bradshaw | Independent | Nevada State Senate | November 1914 – November 1918 |
| John Davidson | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| John E. Oppegaard | Populist | Minnesota House of Representatives | 1901 – 1902 |
| John Eder | Green Party | Maine House of Representatives District 118 | 2003 – 2007 |
| John H. Crowley | Populist | Colorado State Senate District 23 | 1905 – 1914 |
| John H. McCourt | Silver-Democratic | Nevada State Assembly | November 1902 – November 1906 |
| John J. Bradley | Populist | Colorado House of Representatives | 1899 – 1902 |
| John J. Harris | Teller Silver Republican | Colorado State Senate District 19 | 1905 – 1908 |
| John Kennedy | Populist | Colorado State Senate District 18 | 1903 – 1910 |
| John Kitson | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| John M. Taft | Separatist | Connecticut State Senate | 1935 – 1936 |
| John MacGinniss | Anti-Trust Democrat | Montana House of Representatives | January 2 - March 2, 1905 |
| John Morrissey | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| John Oliver | Progressive | Montana State Senate | January 4, 1915 - March 7, 1915 |
| John R. Toole | Independent Democrat | Montana House of Representatives | January 7 - March 7, 1901 |
| John S. Murphy | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| John W. Helbig | Silver Republican | Colorado House of Representatives | 1909-1910 |
| Joseph A. Cantrel | Fusion | Maryland House of Delegates | 1935 – 1938 |
| Joseph A. Miller | Democratic | Nevada State Senate | November 1910 – November 1914 |
| Joseph Conaway | Democratic | Nevada State Assembly | November 1908 – November 1910 |
| Joseph H. Schwend | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Joseph Judd | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Joseph M. Dyer | Progressive | Louisiana House of Representatives | 1916 – 1917 |
| Joseph Pope | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| Joseph Shannon | Labor | Montana House of Representatives | January 2 - March 2, 1905 |
| Judith E. Salo | Independent Democrat | Alaska State Senate | 1993 - 1996 |
| Kathleen Curry | Nonpartisan | Colorado House of Representatives District 61 | 2005-2011 |
| Kenneth J. Fanning | Libertarian | Alaska House of Representatives | 1981 - 1982 |
| Kirk W. Dyer | Progressive | Connecticut House of Representatives | 1913 – 1914 |
| L.A. Bechtel | Socialist | Montana House of Representatives | January 4, 1915 - March 7, 1915 |
| L.B. Taylor | Progressive | Montana State Senate | January 4, 1915 - March 7, 1915 |
| L. A. Hollenbeck | Populist | Colorado House of Representatives | 1911 – 1912 |
| Lacey Putney | Independent | Virginia House of Delegates District 19 | 1962 - 2014 |
| Lawrence Duggan | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Lee A. Tanquary | Populist | Colorado State Senate District 27 | 1899 – 1902 |
| Leon E. Beaudry | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Leon J. Landry | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Leonard Springmeyer | Independent | Nevada State Assembly | November 1914 – November 1916 |
| Leroy J. Williams | Republican | Colorado State Senate District 26 | 1913 – 1916 |
| Lindley C. Branson | Independent | Nevada State Senate | November 1932 – November 1936 |
| Louis A. Lemaire | Independent | Nevada State Senate | November 1914 – November 1918 |
| Louis A. Moresi | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Louis Lienemann | Fusion Democrat | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Louis Waldman | Socialist Party | New York State Assembly | 1918 - 1920 |
| M.W. Cramer | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| Martin Dee, Jr. | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| Martin Joseph Scanlan | Socialist | Nevada State Senate | November 1912 – November 1916 |
| Matt Ahearn | Green Party | New Jersey General Assembly District 38 | 2002 – 2004 |
| Matthew M. Smith | Populist | Colorado House of Representatives | 1899 – 1904 |
| Max Morris | Populist | Colorado House of Representatives | 1899 – 1904 |
| Michael G. Foster | Silver | Nevada State Assembly | November 1902 – November 1904 |
| Michael Geary | Independent Democrat | Montana House of Representatives | January 7 - March 7, 1901 |
| N.W. Roff | Silver-Democratic | Nevada State Senate | November 1902 – November 1906 |
| Nels S. Hillman | Public Ownership | Minnesota House of Representatives | 1911 – 1914 |
| Nicholas Fontana | Independent | Arizona House of Representatives District 29 | 2012-2013 |
| Nutter J. Wimbrow | People's Party | Maryland House of Delegates | 1916 - 1918 |
| O.A. Brooks | Independent | Nevada State Assembly | November 1900 – November 1902 |
| O.G. Willett | Independent | Montana State Senate | January 4, 1915 - March 7, 1915 |
| Odon L. Bacque, Jr. | Independent | Louisiana House of Representatives | 1988 – 1992 |
| Ole Nelson Grue | Populist | Minnesota State Senate | 1899 – 1902 |
| Ole O. Sageng | Populist | Minnesota State Senate | 1951 – 1954 |
| Orlando M. Shockley | People's Party | Maryland House of Delegates | 1920 – 1922 |
| Oscar Daggett | People's-Democratic | Minnesota House of Representatives | 1899 – 1902 |
| P.C. Kelly | Silver | Nevada State Senate | November 1898 – November 1902 |
| P.J. Sullivan | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| Pat Mullins | Fusion Democrat | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Patrick Anthony McCarran | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Peder M. Henricks | Populist | Minnesota House of Representatives | 1901 – 1902 |
| Percy Saint | Progressive | Louisiana House of Representatives | 1916 – 1917 |
| Peter Burke | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Peter H. Hjul | Silver | Nevada State Senate | November 1898 – November 1902 |
| Philip Jacobs | Silver-Democratic | Nevada State Assembly | November 1900 – November 1902 |
| Prescott H. Woodford | Progressive | Connecticut House of Representatives | 1913 – 1914 |
| R.A. Trimble | Silver-Democratic | Nevada State Assembly | November 1906 – November 1908 |
| R.T. Cookingham | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| R. D. Jackson | Silver-Democratic | Nevada State Senate | November 1900 – November 1904 |
| R. Leslie Small | Silver-Democratic | Nevada State Assembly | November 1908 – November 1910 |
| Ray F. Burt | Independent | Nevada State Assembly | November 1918 - November 1920 |
| Reginald L. Howard | Nonpartisan | Colorado House of Representatives | 1963 – 1964 |
| Richard L. Randolph | Libertarian | Alaska House of Representatives | 1979 - 1982 |
| Richard Weldon, Jr. | Independent | Maryland House of Delegates | January 8, 2003 - December 17, 2009 |
| Richard Woodbury | Independent | Maine State Senate, District 11 | December 1, 2010-December 4, 2014 |
| Rick Jore | Constitution | Montana House of Representatives | 2007-2009 |
| Robert I. Ditman | Democratic | Alaska House of Representatives | 1961 - 1967 |
| Robert J. Boudreau | Progressive | Louisiana House of Representatives | 1916 – 1920 |
| Robert Larson | Farmer-Labor | Montana House of Representatives | January 3, 1927 - March 5, 1927 |
| Robert Pohl | Independent | Nevada State Assembly | November 1920 – November 1922 |
| Robert Raftice | Silver | Nevada State Senate | November 1902 – November 1906 |
| Robert W. Farmer | Fusion Democrat | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Robert Ziegelbauer | Independent | Wisconsin State Assembly District 25 | 1993 - January 3, 2013 |
| Roderick A. Chisholm | Populist | Colorado House of Representatives | 1901 – 1902 |
| Roland N. Gibson | Independent | Nevada State Senate | November 1936 – November 1940 |
| Rufus P. Morton | Prohibition | Minnesota House of Representatives | 1911 - 1912 |
| S.M. Summerfield | Silver | Nevada State Assembly | November 1900 – November 1902 |
| S.R. Jensen | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| S.R. Wasson | Silver | Nevada State Senate | November 1898 – November 1902 |
| S. O'Brien | Fusion Democrat | Montana House of Representatives | January 2 - March 2, 1905 |
| Samuel A. DeWitt | Socialist Party | New York State Assembly | 1919 - 1920 |
| Samuel D. Rider | Populist | Minnesota House of Representatives | 1901 – 1902 |
| Samuel Orr | Socialist Party | New York State Assembly | 1919-1921 |
| Samuel V. C. Newell | Teller Silver Republican | Colorado State Senate District 4 | 1899 – 1904 |
| Sarah Edwards | Vermont Progressive Party | Vermont House of Representatives, Windham 3-3 | 2003 - 2013 |
| Saxe J. Froshaug | Prohibition | Minnesota State Senate | 1911 - 1914 |
| Sheila M. Kiscaden | Independence | Minnesota State Senate District 30 | 1993 – 2006 |
| Stephen L. Gunn | Independent | Louisiana House of Representatives | 1992 – 1996 |
| Stephen R. Fitzgarrald | Populist | Colorado State Senate District | 1909 – 1914 |
| Stephen Spindel | Silver-Democratic | Nevada State Assembly | November 1904 – November 1906 |
| Steven R. Young | Independent | Nevada State Assembly | November 1914 – November 1916 |
| Sylvanus A. Stockwell | Democratic-Populist | Minnesota State Senate | 1899 – 1902 |
| Sylvester W. Packer | Nonpartisan | Colorado House of Representatives | 1913 – 1914 |
| Sylvia Laughter | Independent | Arizona House of Representatives | 1999 – 2004 |
| T.B. Manion | Populist | Colorado House of Representatives | 1901 – 1902 |
| T.F. Richardson | Populist | Montana House of Representatives | January 7 - March 7, 1901 |
| T.H. Pendergrass | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| T. Parker Liddell | Progressive | Nevada State Assembly | November 1912 – November 1914 |
| Theodore H. Thomas | Silver Republican | Colorado House of Representatives | 1905-1906 |
| Thomas Dolf | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Thomas Elwood Noble | Prohibition | Minnesota House of Representatives | 1907 - 1910 |
| Thomas H. Stratton | Populist | Colorado State Senate District 28 | 1897 – 1902 |
| Thomas J. Walker | Anti-Trust Democrat | Montana House of Representatives | January 2 - March 2, 1905 |
| Thomas Kane | Progressive | Montana State Senate | January 4, 1915 - March 7, 1915 |
| Thomas M. Raney | Populist | Colorado House of Representatives | 1901 – 1902 |
| Thomas McCabe | Fusion | Nevada State Assembly | November 1902 – November 1904 |
| Thomas McTague | Independent Democrat | Montana House of Representatives | January 7 - March 7, 1901 |
| Tim O'Keefe | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| Vernon Caldwell | Progressive | Louisiana State Senate | 1916 – 1920 |
| W.C. Gruber | Independent | Nevada State Assembly | November 1916 – November 1918 |
| W.H. Parker | Silver | Nevada State Assembly | November 1900 – November 1902 |
| W.M. Crawford | Labor | Montana House of Representatives | January 7 - March 7, 1901 |
| W. D. R. Graham | Silver-Democratic | Nevada State Assembly | November 1902 – November 1904 |
| Walter D. Kemmis | Progressive | Montana House of Representatives | January 6, 1913 - March 6, 1913 |
| Walter M. Magruder | Fusion | Maryland House of Delegates | 1935 – 1938 |
| Warren M. Persons | Nonpartisan | Colorado House of Representatives | 1913 – 1914 |
| Webster "Web" Ballinger | Silver Republican | Colorado State Senate District 20 | 1903 – 1906 |
| Wilbur F. Cannon | Teller Silver Republican | Colorado House of Representatives | 1905 – 1908 |
| Will Cobb | Independent | Nevada State Senate | November 1934 – November 1942 |
| William A. Hill | Silver Republican | Colorado State Senate District 12 | 1903 – 1906 |
| William C. Holland | Independent | Wyoming House of Representatives | 1971 – 1978 |
| William Charles Pitt | Independent | Nevada State Assembly | November 1914 – November 1916 |
| William F. Whiteley | Labor | Montana House of Representatives | January 5 - March 5, 1903, May 26, 1903, December 1-11, 1903 |
| William J. Swick | Independent | Nevada State Assembly | November 1926 – November 1928 |
| William P. Harrington | Independent | Nevada State Assembly | November 1912 – November 1914 |
| William R. Mahood | Populist | Minnesota House of Representatives | 1901 – 1902 |
| William S. Dickerson | Silver | Nevada State Assembly | November 1900 – November 1902 |
| William S. Neil | Socialist | Connecticut House of Representatives | 1939 – 1940 |
| William Wallace Carpenter | Independent | Nevada State Senate | November 1932 – November 1936 |
| William Wallace Webster | Silver-Democratic | Nevada State Assembly | November 1900 – November 1902 |
| Winters Morrell | Populist | Colorado House of Representatives | 1907 – 1908 |
See also
- Former third-party state officeholders since 1900 (by party)
- Former third-party state officeholders since 1900 (by state)
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