Mrs. Ellen J. Beilharz, 66, of Holland, died Saturday in Mercy Hospital after a long illness. She was a waitress and cook at Coral Hamburgers, Maumee, for eight years, retiring in 1975. Surviving are her husband, Dresden; sons, Ralph and James; daughter, Penelope; sisters, Mrs. Kathryn Andrews and Mrs. Margaret Pacer and brother, Burl Fiser. Services will be at 1:30 p.m. tomorrow in the Neville Mortuary, Airport Highway, where the body will be after 3 today.