Sister Mary Nichoas, 84, a Notre Dame nun for 52 years, died in Mercy Hospital, Toledo. The former Angelita Hentges of Custar, she entered the order in Toledo in 1927 and professed her vows in 1930. Surviving are her brothers, Ernest and Frederich Hentges. Sister Nicholas performed domestic services for the order for 30 years, until 1957, in several Toledo convents, including St. Mary's, St. James, and Central Catholic High School's Mater Mea. She also perfomed similar duties at convents in Bellevue, Bethlehem, Monggrove, napoleon, Norwalk, St. Paul and Fremont St. Joseph.