Thomas Jefferson McKean | |
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Thomas Jefferson McKean
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Born |
Burlington, Pennsylvania |
August 21, 1810
Died | April 19, 1870 Marion, Iowa |
(aged 59)
Place of burial | Oak Shade Cemetery, Marion, Iowa |
Allegiance |
United States of America Union |
Service/branch |
United States Army Union Army |
Years of service | 1831–1834, 1837–1838, 1847–1848, 1861–1865 |
Rank |
Brigadier General Brevet Major General |
Unit |
4th U.S. Infantry 15th U.S. Infantry |
Commands held | 6th Division, Army of the Tennessee |
Battles/wars |
Seminole Wars Mexican–American War American Civil War |
Thomas Jefferson McKean (August 21, 1810 – April 19, 1870) was an American engineer, soldier, politician, and farmer. A West Point graduate, he fought in the United States Army during the Seminole Wars, in the Mexican–American War, and he served as a general in the Union Army during the American Civil War.
Thomas J. McKean was born in 1810 in the borough of Burlington located in Bradford County, Pennsylvania. He entered the United States Military Academy in West Point in 1827, and graduated four years later, standing 19th out of 33 cadets. McKean was commissioned a brevet second lieutenant in the 4th U.S. Infantry on July 1, 1831. His service in the U.S Army consisted of several stints of garrison duty over the next three years, during which he was promoted to second lieutenant on September 15, 1833. McKean resigned from the U.S. Army the following year on March 31.
After resigning in 1834, McKean took up work as a civil engineer. He then participated in the Seminole Wars in 1837–38, serving as adjutant of the 1st Pennsylvania Volunteers, with the rank of first lieutenant. McKean resigned on March 31, 1838, and returned to Pennsylvania and the profession of an engineer. In 1840 he relocated to Marion in the Iowa Territory, and in 1844 he was part of the constitutional convention aimed at creating the state of Iowa.