William Michael Cosgrove (November 26, 1916 – December 11, 1992) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Belleville in Illinois from 1976 to 1981. He previously served as an auxiliary bishop of the Diocese of Cleveland in Ohio from September 3, 1968, to October 28, 1976.
Cosgrove was named the fourth bishop of the Diocese of Belleville on August 30, 1976, by Pope John Paul II. Cosgrove was installed on October 28, 1976.[1][2] The author Michael Gallagher described Cosgrove as a man of deep social concern who was popular with both clergy and laity.[3]
On May 19, 1981, Pope John Paul accepted Cosgrove's resignation as bishop of the Diocese of Belleville. William Cosgrove died on December 11, 1992, at age 76.[2] The Bishop William M. Cosgrove Center in Cleveland is named after him.
