Adrian Dominican Sister Helen (Denis Margaret) McAllister, 83, died Dec. 17, 2022, in Adrian, Michigan.

Born in Evergreen Park, Sister Helen attended Aquinas Dominican High School. She was a member of her community for 64 years.

Sister Helen ministered in education in Michigan and Illinois. In the Archdiocese of Chicago, she was campus minister at Immaculate Heart of Mary, Westchester (1985-1989) and a teacher at St. Cyprian, River Grove (1989-1995); St. Benedict, Blue Island (1995-1997) and Queen of Peace High School, Burbank (1998-2009).