Mary T. O’Sullivan (nee Mulvihill), 85, Lisle, formerly a 40 year resident of Oak Lawn. Beloved wife of the late Alfred E., loving mother of Kathy (Jack) Tierney, Eileen (Edward) King, Gerald (Mary) O’Sullivan, and Thomas (Margaret) O’Sullivan; devoted grandmother of J.C. (Mia) Tierney, Colleen (Blake) Johnson, Drew Tierney, Meghan, Timothy, and Elizabeth King, Erin, Lauren, Jacqueline, and Julia O’Sullivan, and Madeline and Sean O’Sullivan; and doting great-grandmother of Ashlyn Johnson. Visitation 9:30 – 11 a.m. Friday, December 13, at Villa Saint Benedict Sacred Heart Chapel, 1920 Maple Ave, Lisle, with Mass of Christian Burial at 11 a.m. Interment follows at Queen of Heaven Cemetery, Hillside, IL. In lieu of flowers, memorials may be made to St. Vincent DePaul Society or to Villa Saint Benedict Abbey Lane (Memory Care). Condolences and info at www.blake-lambfuneralhome.com or 630-964-9392.