Thomas J. McKean | |
|---|---|
 Thomas Jefferson McKean | |
| Birth name | Thomas Jefferson McKean |
| Born | August 21, 1810 Burlington, Pennsylvania |
| Died | April 19, 1870 (aged 59) Marion, Iowa |
| Place of burial | Oak Shade Cemetery, Marion, Iowa |
| Allegiance | United States of America Union |
| Service/ | 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 | 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.