Mary Helen Stewart Comer, 78, of Manchester died Wednesday, March 23 at the Harton Medical Center in Tullahoma.She was a housewife and member of First United Methodist Church of Manchester. Mrs. Comer was born May 30, 1932 in Manchester to her parents, the late Herb Stewart and Martha Ann Cunningham Stewart. She was also preceded in death by her husband, the late Harry Comer; daughter, Pamela Jane Comer; and brother Ray Stewart.