William Marshall Tredway served as a Representative from Virginia in the United States Congress from 1845 to 1847. A member of the Democratic Party, William Marshall Tredway contributed to the legislative process during 1 term in office.

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