Thomas Fitzsimons served as a Representative from Pennsylvania in the United States Congress from 1789 to 1795. A member of the Unknown Party, Thomas Fitzsimons contributed to the legislative process during 3 terms in office.

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