William O. Butler

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William Butler
Member of the U.S. House of Representatives from Kentucky's 13th district
In office March 4, 1839 – March 3, 1843
Preceded by	William Southgate
Succeeded by	Constituency abolished
Personal details
Born	William Orlando Butler (1791-04-19)April 19, 1791 Jessamine County, Kentucky, U.S.
Died	August 6, 1880(1880-08-06) (aged 89) Carrollton, Kentucky, U.S.
Political party	Democratic
Education	Transylvania University (BA)
Military service
Branch/service	United States Army
Years of service	1812–1815; 1846–1848
Rank	Major General
Commands	1st Volunteer Division, Army of Occupation Commanding general of the American army in Mexico City
Battles/wars	War of 1812 Battle of the River Raisin Battle of the Thames Battle of New Orleans Mexican–American War Battle of Monterrey (WIA)

William Orlando Butler (April 19, 1791 – August 6, 1880) was a U.S. political figure and U.S. Army major general from Kentucky. He served as a Democratic congressman from Kentucky from 1839 to 1843, and was the Democratic vice-presidential nominee under Lewis Cass in 1848.

Born in Jessamine County, Kentucky, Butler studied law after graduating from Transylvania University. He served in the War of 1812, taking part in the Battle of the Thames and the Battle of New Orleans. After the war, he practiced law in Carrollton, Kentucky, and briefly served in the Kentucky House of Representatives. He served in the United States House of Representatives from 1839 to 1843 before running for Governor of Kentucky in 1844. He lost the 1844 gubernatorial election to Whig nominee William Owsley.

During the Mexican–American War, Butler served as a major general of volunteers. He was General Zachary Taylor's second-in-command during the Battle of Monterrey and later succeeded Winfield Scott as the commander of American forces occupying Mexico City. The 1848 Democratic National Convention nominated a ticket of Cass and Butler, but the Whig ticket of Taylor and Millard Fillmore won the 1848 presidential election. He attended the Peace Conference of 1861, which sought to defuse the secession crisis that arose following the 1860 presidential election. During the Civil War, Butler was a War Democrat who favored the Union.