Mary J (Greer) Grinko, age 75 of Pontiac, passed away December 7, 2010. Loving wife of Bernard; dear mother of Steve, James (Lori), Robert (Chong), Mark (Betty), Willie (Tina) and Gary (Sonny) Greer; proud grandmother of 9; and great grandmother of 10; sister of Irene McNair. Mary was proceeded in death by her 1st husband Robert Greer. The funeral service will be 11:00 a.m. Friday, December 10, 2010 at the Union Lake Chapel of the Elton Black and Son Funeral Home, 1233 Union Lake Rd., White Lake. Visitation will be 5-8 p.m. Wednesday and 1-3 and 5-8 p.m.on Thursday with a 6:30 p.m. VFW Post 4156 Ladies Auxillary Service on Thursday. Memorial Donations may be made to the Parkinson Foundation. Please visit www.eltonblackandsonwhitelake.com