Isaac Harding Duval | |
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| Born | September 1, 1824 Wellsburg, Virginia (now West Virginia) |
| Died | July 10, 1902 (aged 77) Wellsburg, West Virginia |
| Place of burial | Brooke Cemetery, Wellsburg, West Virginia |
| Allegiance | United States of America Union |
| Service | United States Army Union Army |
| Years of service | 1861 - 1866 |
| Rank |  Brigadier General Brevet Major General |
| Commands | 9th West Virginia Infantry Kanawha Division |
| Battles / wars | American Civil War |
| Spouse(s) | Mary Deborah Kuhn |
| Children | 9 children |
Isaac Harding Duval (September 1, 1824 – July 10, 1902) was an adventurer and businessman prior to becoming a brigadier general in the Union Army during the American Civil War. He was a reconstruction era U.S. Representative from West Virginia in the 41st United States Congress.