Politicians: members of Congress, presidents and candidates
Every member of Congress since 1789, every president and vice president, and candidates for Senate, House and governor since 1976, with their terms and election results.
174 people match.
| Name | Offices | State | Party | Years |
|---|---|---|---|---|
| Jay Obernolte Serving | House | California | Republican | 2021–2026 |
| Alexandria Ocasio-Cortez Serving | House | New York | Democratic | 2019–2026 |
| Andrew Ogles Serving | House | Tennessee | Republican | 2023–2026 |
| Johnny Olszewski, Jr. Serving | House | Maryland | Democratic | 2025–2026 |
| Ilhan Omar Serving | House | Minnesota | Democratic | 2019–2026 |
| Robert F. Onder, Jr. Serving | House | Missouri | Republican | 2025–2026 |
| Jon Ossoff Serving | Senate | Georgia | Democratic | 2021–2026 |
| Burgess Owens Serving | House | Utah | Republican | 2021–2026 |
| Tom O’Halleran | House | Arizona | Democratic | 2017–2023 |
| Pete Olson | House | Texas | Republican | 2009–2021 |
| Beto O’Rourke | House | Texas | Democratic | 2013–2019 |
| Barack Obama | Senate, President | — | Democratic | 2005–2017 |
| William L. Owens | House | New York | Democratic | 2009–2015 |
| John W. Olver | House | Massachusetts | Democratic | 1991–2013 |
| James L. Oberstar | House | Minnesota | Democratic | 1975–2011 |
| Dave Obey | House | Wisconsin | Democratic | 1969–2011 |
| Solomon P. Ortiz | House | Texas | Democratic | 1983–2011 |
| Tom Osborne | House | Nebraska | Republican | 2001–2007 |
| Butch Otter | House | Idaho | Republican | 2001–2007 |
| Major R. Owens | House | New York | Democratic | 1983–2007 |
| Michael G. Oxley | House | Ohio | Republican | 1981–2007 |
| Doug Ose | House | California | Republican | 1999–2005 |
| William Orton | House | Utah | Democratic | 1991–1997 |
| Mary Oakar | House | Ohio | Democratic | 1977–1993 |
| James R. Olin | House | Virginia | Democratic | 1983–1993 |
| Douglas Owens | House | Utah | Democratic | 1973–1993 |
| George O’Brien | House | Illinois | Republican | 1973–1987 |
| Tip O’Neill, Jr. | House | Massachusetts | Democratic | 1953–1987 |
| Richard Ottinger | House | New York | Democratic | 1965–1985 |
| James O’Hara | House | Michigan | Democratic | 1959–1977 |
| Alvin O’Konski | House | Wisconsin | Republican | 1943–1973 |
| Maston O’Neal, Jr. | House | Georgia | Democratic | 1965–1971 |
| Arnold Olsen | House | Montana | Democratic | 1961–1971 |
| Barratt O’Hara | House | Illinois | Democratic | 1949–1969 |
| Leo O’Brien | House | New York | Democratic | 1951–1967 |
| Alec Olson | House | Minnesota | Democratic | 1963–1967 |
| Thomas O’Brien | House | Illinois | Democratic | 1933–1965 |
| Frank Osmers, Jr. | House | New Jersey | Republican | 1939–1965 |
| Harold Ostertag | House | New York | Republican | 1951–1965 |
| Joseph O’Mahoney | Senate | Wyoming | Democratic | 1933–1961 |
| James Oliver | House | Maine | Democratic | 1937–1961 |
| Joseph O’Hara | House | Minnesota | Republican | 1941–1959 |
| George O’Brien | House | Michigan | Democratic | 1937–1955 |
| Charles Oakman | House | Michigan | Republican | 1953–1955 |
| Herbert O’Conor | Senate | Maryland | Democratic | 1947–1953 |
| Harry O’Neill | House | Pennsylvania | Democratic | 1949–1953 |
| Donald O’Toole | House | New York | Democratic | 1937–1953 |
| Eugene O’Sullivan | House | Nebraska | Democratic | 1949–1951 |
| Pappy O’Daniel | Senate | Texas | Democratic | 1941–1949 |
| Thomas Owens | House | Illinois | Republican | 1947–1949 |
| John Overton | House, Senate | Louisiana | Democratic | 1931–1948 |
| James O’Connor | House | Montana | Democratic | 1937–1947 |
| Emmet O’Neal | House | Kentucky | Democratic | 1935–1947 |
| George Outland | House | California | Democratic | 1943–1947 |
| Joseph O’Brien | House | New York | Republican | 1939–1945 |
| James O’Leary | House | New York | Democratic | 1935–1945 |
| Caroline O’Day | House | New York | Democratic | 1935–1943 |
| Emmett Owen | House | Georgia | Democratic | 1933–1941 |
| Jerry O’Connell | House | Montana | Democratic | 1937–1939 |
| John O’Connell | House | Rhode Island | Democratic | 1933–1939 |
| John O’Connor | House | New York | Democratic | 1923–1939 |
| Thomas O’Malley | House | Wisconsin | Democratic | 1933–1939 |
| Edward O’Neill | House | New Jersey | Democratic | 1937–1939 |
| William Oliver | House | Alabama | Democratic | 1915–1937 |
| Kathryn O’Loughlin McCarthy | House | Kansas | Democratic | 1933–1935 |
| Frank Oliver | House | New York | Democratic | 1923–1935 |
| Camilo Osias | House | — | Unknown | 1929–1935 |
| Tasker Oddie | Senate | Nevada | Republican | 1921–1933 |
| Ruth Owen | House | Florida | Democratic | 1929–1933 |
| David O’Connell | House | New York | Democratic | 1919–1931 |
| Jeremiah O’Connell | House | Rhode Island | Democratic | 1923–1931 |
| Charles O’Connor | House | Oklahoma | Republican | 1929–1931 |
| James O’Connor | House | Louisiana | Democratic | 1919–1931 |
| Pearl Oldfield | House | Arkansas | Democratic | 1927–1931 |
| Lee Overman | Senate | North Carolina | Democratic | 1903–1930 |
| William O’Brien | House | West Virginia | Democratic | 1927–1929 |
| William Oldfield | House | Arkansas | Democratic | 1909–1929 |
| Charles O’Brien | House | New Jersey | Democratic | 1921–1925 |
| Patrick O’Sullivan | House | Connecticut | Democratic | 1923–1925 |
| Henry Osborne | House | California | Republican | 1917–1925 |
| Robert Owen | Senate | Oklahoma | Democratic | 1907–1925 |
| Charles Ogden | House | Kentucky | Republican | 1919–1923 |
| Archibald Olpp | House | New Jersey | Republican | 1921–1923 |
| James Overstreet | House | Georgia | Democratic | 1905–1923 |
| Richard Olney | House | Massachusetts | Democratic | 1915–1921 |
| George O’Shaunessy | House | Rhode Island | Democratic | 1911–1919 |
| Daniel Oliver | House | New York | Democratic | 1917–1919 |
| Arthur Overmyer | House | Ohio | Democratic | 1915–1919 |
| James O’Gorman | Senate | New York | Democratic | 1911–1917 |
| Peter Oakey | House | Connecticut | Republican | 1915–1917 |
| Woodson Oglesby | House | New York | Democratic | 1913–1917 |
| George Oliver | Senate | Pennsylvania | Republican | 1909–1917 |
| James O’Brien | House | New York | Democratic | 1913–1915 |
| Frank O’Hair | House | Illinois | Democratic | 1913–1915 |
| Denis O’Leary | House | New York | Democratic | 1913–1915 |
| Marlin Olmsted | House | Pennsylvania | Republican | 1897–1913 |
| Joseph O’Connell | House | Massachusetts | Democratic | 1907–1911 |
| Pablo Ocampo | House | — | Unknown | 1907–1911 |
| Jacob Olcott | House | New York | Republican | 1905–1911 |
| Jesse Overstreet | House | Indiana | Republican | 1895–1909 |
Members and terms: congress-legislators (public domain). Candidates: FiveThirtyEight. Candidates who only appear once and lost are listed under each race but not here.