William Milnor served as a Representative from Pennsylvania in the United States Congress from 1807 to 1823. A member of the Federalist Party, William Milnor contributed to the legislative process during 4 terms in office.

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