William Henry Ray served as a Representative from Illinois in the United States Congress from 1873 to 1875. A member of the Republican Party, William Henry Ray contributed to the legislative process during 1 term in office.

William Henry Ray’s service in Congress occurred during a significant period in American history. As a member of the House of Representatives, William Henry Ray participated in the democratic process and represented the interests of constituents, helping to shape the laws and policies that governed the nation.