William Baylies served as a Representative from Massachusetts in the United States Congress from 1809 to 1835. A member of the Anti Jacksonian Party, William Baylies contributed to the legislative process during 4 terms in office.

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