In 1876, Henry was elected as a Democrat to the Forty-fifth, and in 1878 to the Forty-sixth Congresses, serving from March 4, 1877, to March 3, 1881. During the forty-sixth congress, he served as chairman of the Committee on Accounts.
In 1876, Henry was chosen as a Democrat to the Forty-fifth Congress and in 1878 to the Forty-sixth Congress. He served from March 4, 1877, to March 3, 1881. During the forty-sixth congress, he acted as chairman of the Committee on Accounts.