Mary Muehlen Maring was born July 27, 1951, in Devils Lake, North Dakota. She received her B.A. degree in Political Science and German from Moorhead State University in 1972. In 1975 she received a juris doctor degree from the University of North Dakota School of Law. She was the law clerk for the Honorable Bruce C. Stone, Hennepin County District Court, Minneapolis, Minnesota, from 1975 to 1976. In 1976, she entered the private practice of law and spent 20 years practicing law in North Dakota and Minnesota. Justice Maring has served as president of the East Central Judicial District Bar Association, North Dakota Trial Lawyers Association, and Clay County Minnesota Bar. She has acted as arbitrator for the American Arbitration Association, North Dakota Workers Compensation Bureau, and the Better Business Bureau and private parties. She is chair of the Gender Fairness Implementation Committee of the Supreme Court and was a member of the Joint Dispute Resolution Committee. On March 1, 1996, she was appointed by Governor Edward T. Schafer to the North Dakota Supreme Court to fill the vacancy created by Justice Levine's retirement. On November 5, 1996, she was elected to complete that term. In 1998 she was reelected to a ten-year term. She and her husband, David, have two children. Justice Maring has served 12 years, 1 month, and 8 days on the Bench as of May 2, 2008.