William McCreery served as a Representative from Maryland in the United States Congress from 1803 to 1809. A member of the Republican Party, William McCreery contributed to the legislative process during 3 terms in office.

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