John F. Tierney (born September 18, 1951) is an American politician who served as a U.S. Representative from Massachusetts from 1997 to 2015. He is a Democrat who represented the state's 6th district, which includes the state's North Shore and Cape Ann. Born and raised in Salem, Massachusetts, Tierney graduated from Salem State College and Suffolk University Law School. He worked in private law and served on the Salem Chamber of Commerce from 1976 to 1997. Tierney first ran for the House of Representatives in 1994 against Republican incumbent Peter G. Torkildsen, losing by a small margin. He defeated Torkildsen in a rematch in 1996.
