The following is an alphabetical list of political families in the United States whose last name begins with H.
NOTE: Willard Preble Hall was also son-in-law of U.S. Representative Mordecai Oliver.
NOTE: John Collins was also son Delaware Assemblyman John Collins, Sr. and brother-in-law of Delaware Governor David Hazzard.
NOTE: Dixon H. Lewis was also son-in-law of South Carolina and Alabama legislator John Archer Elmore and brother-in-law of U.S. Senator Franklin Harper Elmore,Kansas Territory Supreme Court Justice Rush Elmore, South Carolina Treasurer Benjamin F. Elmore, and Alabama Secretary of State Albert S. Elmore.
NOTE: Hannibal Hamlin's son, Cyrus, was also a political figure in Louisiana.
NOTE: Wade Hampton III was also son-in-law of U.S. Senator George McDuffie and U.S. Representative Francis Preston and brother-in-law of U.S. Senator William Campbell Preston.
NOTE: William R. Merriam was also a descendant of U.S. President John Adams.
NOTE: Joseph M. McCormick was also grandson of Chicago, Illinois Mayor Joseph Medill. His first cousin twice removed, Joseph, is also husband of U.S. Secretary of State Madeleine Albright, McCormick was also son of U.S. Ambassador Robert Sanderson McCormick, first cousin of Illinois State Representative Joseph Medill Patterson and first cousin once removed of U.S. Ambassador William McCormick Blair, Jr..