Horatio Seymour served as a Senator from Vermont in the United States Congress from 1821 to 1833. A member of the Adams Party, Horatio Seymour contributed to the legislative process during 2 terms in office.

Horatio Seymour’s service in Congress occurred during a significant period in American history. As a member of the Senate, Horatio Seymour participated in the democratic process and represented the interests of constituents.

Horatio Seymour (May 31, 1778 – November 21, 1857) was a United States senator from Vermont. He was the uncle of Origen S. Seymour and the great-uncle of Origen’s son Edward W. Seymour. Horatio Seymour’s brother Henry became a resident of Utica, New York and was the father of Horatio Seymour, who served as Governor of New York, and of Julia Catherine Seymour, the wife of Senator Roscoe Conkling.