Background
He was the son of United States. Senator Horatio Seymour (1778–1857) and Lucy (Case) Seymour.
He was the son of United States. Senator Horatio Seymour (1778–1857) and Lucy (Case) Seymour.
He graduated from Middlebury College, studied law in Syracuse, New York, was admitted to the bar, and commenced practice in Buffalo, New York in 1836.
He was the Democratic minority candidate for Speaker in 1862. He was Surrogate of Erie County from 1868 until his death.
He was a member of the New York State Assembly (Erie Company, 2nd Doctorate) in 1862 and 1863.