James S. Wadsworth | |
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| Birth name | James Samuel Wadsworth |
| Born | October 30, 1807 Geneseo, New York |
| Died | May 8, 1864 (aged 56) Spotsylvania County, Virginia |
| Place of burial | Temple Hill Cemetery, Geneseo, New York |
| Allegiance | United States of America Union |
| Service | United States Army Union Army |
| Years of service | 1861–1864 |
| Rank |  Brevet Major General |
| Battles / wars | American Civil War |
| Signature | .png){kind=small} |
James Samuel Wadsworth (October 30, 1807 – May 8, 1864) was a philanthropist, politician, and a Union general in the American Civil War. He was mortally wounded at the Battle of the Wilderness in 1864.