Henry Porteous Alexander served as a Representative from New York in the United States Congress from 1849 to 1851. A member of the Whig Party, Henry Porteous Alexander contributed to the legislative process during 1 term in office.

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