Maria G Heffernan of Des Plaines. Loving wife of William Fiacre Heffernan; beloved mother of Kevin Heffernan; dear sister of Eileen, Sheila, Isabel, Rose, Joe, Patty, Ann and Ray; fond aunt to many nieces and nephews. Visitation Monday 3-9:00 pm at Oehler Funeral Home, 2099 Miner St., Des Plaines, where a prayer service will be held Tuesday 9:15 am; Mass 10:00 am at St. Stephen Church, 1280 Prospect, Des Plaines, 60018. lnterment private.