Born in Wellsburg in 1824, Isaac H. Duval worked as a scout in the western US and joined the 1849 Gold Rush before returning to Brooke County. He served in the Union Army during the Civil War, rising to the rank of major general. After the war, he served terms in the WV Legislature and the US Congress and was state adjutant general from 1867 to 1869. He died at Wellsburg on July 10, 1902.