William M. Gwin

William Gwin
United States Senator
from California
In office
January 13, 1857 – March 3, 1861
Preceded byHimself (1855)
Succeeded byJames A. McDougall
In office
September 10, 1850 – March 3, 1855
Preceded byHimself (Shadow Senator)
Succeeded byHimself (1857)
United States Shadow Senator
from California
In office
December 20, 1849 – September 10, 1850
Preceded bySeat established
Succeeded byHimself (U.S. Senator)
Member of the U.S. House of Representatives
from Mississippi's at-large district
In office
March 4, 1841 – March 3, 1843
Preceded byAlbert G. Brown
Succeeded byWilliam H. Hammett
Personal details
Born
William McKendree Gwin

(1805-10-09)October 9, 1805
near Gallatin, Tennessee, U.S.
DiedSeptember 3, 1885(1885-09-03) (aged 79)
New York City, U.S.
Political partyDemocratic
EducationTransylvania University (BA, MD)

William McKendree Gwin (October 9, 1805 – September 3, 1885) was an American medical doctor and politician who served in elected office in Mississippi and California. In California he shared the distinction, along with John C. Frémont, of being the state's first U.S. senators. Before, during, and after the Civil War, Gwin was well known in California, Washington, D.C., and the Southern United States as a determined Confederate sympathizer.