William Dunbar served as a Representative from Louisiana in the United States Congress from 1853 to 1855. A member of the Democratic Party, William Dunbar contributed to the legislative process during 1 term in office.

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