William Wallace Irwin served as a Representative from Pennsylvania in the United States Congress from 1841 to 1843. A member of the Whig Party, William Wallace Irwin contributed to the legislative process during 1 term in office.

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