page_title: Joseph K. Mansfield
section_title: Early life
hierarchical_section_title: Joseph K. Mansfield / Early life
caption_attribution_description: English: General Mansfield House, 151 Main Street, Middletown, Connecticut, USA, now Middlesex County Historical Society, built the father-in-law of General Joseph K. Mansfield in 1810. A contributing property of the Metro South Historic District, which is on the National Register of Historic Places.
context_page_description: Joseph King Fenno Mansfield was a career United States Army officer, civil engineer, and a Union general in the American Civil War, mortally wounded at the Battle of Antietam.
context_section_description: Mansfield was born to Henry and Mary Fenno Mansfield in New Haven, Connecticut, a cousin of Joseph G. Totten. He entered the United States Military Academy when he was fourteen and graduated second in a class of forty in 1822. He then became a resident of Middletown, Connecticut before and during his military career. He was commissioned a second lieutenant in the U.S. Army Corps of Engineers. Advancement came slowly in the peacetime Army and he was promoted to first lieutenant in 1832, captain in 1838. In the Mexican–American War, he received a brevet promotion to major for the action at Fort Brown, Texas, on May 9, 1846. He was wounded in the leg at the Battle of Monterrey, and he received a brevet promotion to lieutenant colonel for his actions there. He was appointed a brevet colonel for the Battle of Buena Vista in 1847. After the war he was promoted to colonel and Inspector General of the U.S. Army on May 28, 1853.
caption: Mansfield's house in Middletown, Connecticut, built by his father-in-law in 1810. Now Middlesex County Historical Society.
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