Age 99, of Lawrenceville, on Saturday, March 27, 2021. Beloved wife of the late Edward M. Poslusney; loving mother of Diane (the late Lawrence) Stahl and Mae (Gene) Miller; cherished grandmother of Kimberly (Frank) Davin; devoted great-grandmother of Christopher (Kailey) Davin and Adam Davin; proud great-great grandmother of Meadow Davin; sister of the late Rudy and William Habajec. The family would like to extend a special thank you to Harbour Senior Living of Green Tree for their excellent care. Visitation and Funeral private. Memorial contributions can be made in Mary's name to Harbour Senior Living of Green Tree, 1320 Green Tree Road, Pittsburgh, PA 15220.