William Sebastian | |
|---|---|
 | |
| United States Senator from Arkansas | |
| In office May 12, 1848 – July 11, 1861 | |
| Preceded by | Chester Ashley |
| Succeeded by | Alexander McDonald (1868) |
| President of the Arkansas Senate | |
| In office November 2, 1846 – May 12, 1848 | |
| Preceded by | John Williamson |
| Succeeded by | Richard C. Byrd |
| Member of the Arkansas Senate from the Phillips County district | |
| In office November 2, 1846 – May 12, 1848 | |
| Preceded by | M. Irwin |
| Succeeded by | Constituency abolished |
| Personal details | |
| Born | William King Sebastian June 12, 1812 Centerville, Tennessee, U.S. |
| Died | May 20, 1865 (aged 52) Memphis, Tennessee, U.S. |
| Political party | Democratic |
| Spouse |
Amelia Dunn
(m. 1838; died 1864) |
| Education | Colombia College, Tennessee (BA) |
William King Sebastian (June 12, 1812 – May 20, 1865) was an American politician, judge, and lawyer from Helena, Arkansas. He represented Arkansas as a United States Senator, from 1848 to 1861. Sebastian withdrew from the Senate at the start of the Civil War and was later formally expelled by the Senate. He took no active part in the Confederate government and was reinstated by a posthumous resolution in 1877.