John Edward Mulroney, 83, a retired judge of the U.S. Tax Court, died Monday in his Sun City, Ariz., home after a heart attack.

He was appointed to the Tax Court by President Dwight D. Eisenhower in 1955, retired 11 years later and served on recall status until moving to Arizona in 1970.

He was a native of Iowa, where he served as a county attorney, as an assistant attorney general of the state, and finally as a justice of the Iowa Supreme Court for 12 years before coming to Washington.

Judge Mulroney was a 1915 graduate of Creighton University and earned a law degree at the University of Iowa, where he was a member of the Order of the Coif.

He served with the Army in France during World War I.

He was the author of two books, "Before the Prosecution" and "The Seven Days of Jericho."

His memberships included the American Legion and the American and Iowa bar associations.

His first wife, the former Martha O'Connor, died in 1969.

He is survived by his second wife, Sonja K., of the home, a son, Michael J., of Helena, Mont., two daughters, Ann Macomber, of Palm Desert, Calif., and Patricia Moore, of Germantown, and two grandchildren.