Oregon was admitted to the Union on February 14, 1859. Its current Senators are Ron Wyden (D) and Jeff Merkley (D). [edit] Class II | Senator | Party | Took office | Left office | Reason | Notes | | Delazon Smith |  | Democratic | February 14, 1859 | March 3, 1859 | Lost re-election | | | Edward D. Baker |  | Republican | October 1, 1860 | October 21, 1861 | Died | | | Benjamin Stark |  | Democratic | February 27, 1862 | December 1, 1862 | Retired | | | Benjamin F. Harding |  | Democratic | December 1, 1862 | March 3, 1865 | Retired | | | George H. Williams |  | Republican | March 4, 1865 | March 3, 1871 | Lost re-election | Attorney General of the United States (1872–1875) | | James K. Kelly |  | Democratic | March 4, 1871 | March 3, 1877 | Retired | Chief Justice of the Oregon Supreme Court (1878–1882) | | La Fayette Grover |  | Democratic | March 4, 1877 | March 3, 1883 | Retired | Governor of Oregon (1871–1877) | | Joseph N. Dolph |  | Republican | March 4, 1883 | March 3, 1895 | Lost re-election | | | George W. McBride |  | Republican | March 4, 1895 | March 3, 1901 | Lost renomination | Speaker of the Oregon House of Representatives | | John H. Mitchell |  | Republican | March 4, 1901 | December 8, 1905 | Died | Also served in Oregon's Class III seat | | John M. Gearin |  | Democratic | December 21, 1905 | January 23, 1907 | Retired | | | Frederick W. Mulkey |  | Republican | January 30, 1907 | March 3, 1907 | Retired | | | Jonathan Bourne, Jr. |  | Republican | March 4, 1907 | March 3, 1913 | Lost renomination | | | Harry Lane |  | Democratic | March 4, 1913 | May 23, 1917 | Died | | | Charles L. McNary |  | Republican | June 8, 1917 | December 9, 1918 | Retired | | | Frederick W. Mulkey |  | Republican | November 6, 1918 | December 17, 1918 | Resigned | | | Charles L. McNary |  | Republican | December 17, 1918 | February 25, 1944 | Died | | | Guy Cordon |  | Republican | March 13, 1944 | January 3, 1955 | Lost re-election | | | Richard L. Neuberger |  | Democratic | January 3, 1955 | March 9, 1960 | Died | | Hall S. Lusk |  | Democratic | March 23, 1960 | November 9, 1960 | Retired | Justice of the Oregon Supreme Court (1937–1960) | | Maurine Brown Neuberger |  | Democratic | November 9, 1960 | January 3, 1967 | Retired | | | Mark Hatfield |  | Republican | January 3, 1967 | January 3, 1997 | Retired | Governor of Oregon (1959–1967) | | Gordon Smith |  | Republican | January 3, 1997 | January 3, 2009 | Lost re-election | | | Jeff Merkley |  | Democratic | January 3, 2009 | Incumbent | | Speaker of the Oregon House of Representatives (2007–2009) | [edit] Class III | Senator | Party | Took office | Left office | Reason | Notes | | Joseph Lane |  | Democratic | February 14, 1859 | March 3, 1861 | Retired | | | James W. Nesmith |  | Democratic | March 4, 1861 | March 3, 1867 | Lost re-election | | | Henry W. Corbett |  | Republican | March 4, 1867 | March 3, 1873 | Retired | | | John H. Mitchell |  | Republican | March 4, 1873 | March 3, 1879 | Lost re-election | Also served in Oregon's Class II seat | | James H. Slater |  | Democratic | March 4, 1879 | March 3, 1885 | | | | John H. Mitchell |  | Republican | December 17, 1885 | March 3, 1897 | Lost re-election | Also served in Oregon's Class II seat | | Joseph Simon |  | Republican | October 7, 1898 | March 3, 1903 | Retired | | | Charles W. Fulton |  | Republican | March 4, 1903 | March 3, 1909 | Lost re-election | | | George E. Chamberlain |  | Democratic | March 4, 1909 | March 3, 1921 | Lost re-election | Governor of Oregon (1903–1909) | | Robert N. Stanfield |  | Republican | March 4, 1921 | March 3, 1927 | Lost re-election | Speaker of the Oregon House of Representatives (1917) | | Frederick Steiwer |  | Republican | March 4, 1927 | January 31, 1938 | Resigned | | | Alfred E. Reames |  | Democratic | February 11, 1938 | November 9, 1938 | Retired | | | Alexander G. Barry |  | Republican | November 9, 1938 | January 3, 1939 | Retired | | | Rufus C. Holman |  | Republican | January 3, 1939 | January 3, 1945 | Lost renomination | | | Wayne Morse |  | Republican | January 3, 1945 | January 3, 1969 | Lost re-election | | | Independent | | Democratic | | Bob Packwood |  | Republican | January 3, 1969 | October 1, 1995 | Resigned | | | Ron Wyden |  | Democratic | February 6, 1996 | Incumbent | | [edit] See also
| United States Senators from Oregon | | | Class 2 | |  | | | Class 3 | | | |