Joseph K. Mansfield

Joseph K. Mansfield
Maj. Gen. Joseph K. Mansfield, photograph by Mathew Brady
Born	(1803-12-22)December 22, 1803 New Haven, Connecticut, US
Died	September 18, 1862(1862-09-18) (aged 58) Sharpsburg, Maryland, US
Allegiance	United States of America Union
Service/branch	United States Army Union Army
Years of service	1822–1862
Rank	Major General
Commands held	Department of Washington XII Corps
Battles/wars	Mexican–American War Battle of Monterrey Battle of Buena Vista American Civil War Battle of Hampton Roads Battle of Antietam †

Joseph King Fenno Mansfield (December 22, 1803 – September 18, 1862) was a career United States Army officer and civil engineer. He served as a Union general in the American Civil War and was mortally wounded at the Battle of Antietam.