Age 80, of Scott Twp., on Wednesday, August 29, 2012. Beloved wife of Robert W. Saari and the late Paul V. Clarke. Dear mother of Mary Pat (Ron) Tozzie, Sally (John) Pronesti, James (Tracey) Clarke and the late Paul Clarke III, mother 'in- law of Ida Clarke., mother of Scott (Karen) Saari and Susanna (Frank) Rose. Also 14 grandchildren and 3 great grandchildren. Sister-in-law of Maureen McDonough. Sister of the late Margie Larkin, James McDonough and William Patrick McDonough. Mary Grace was head nurse of the labor and delivery unit at St. Clair Hospital for over 30 years. She was also a lifelong member of SS Simon & Jude Church. Friends welcome Friday 1-8 p.m. at WILLIAM SLATER II FUNERAL SERVICE, 1650 Greentree Road, Scott Twp.. Mass of Christian Burial in SS Simon & Jude Church on Saturday at 11 a.m.. If desired, memorial donations may be made to the Alzheimer's Association, Greater PA Chapter, 1100 Liberty Ave. Ste E201, Pgh, PA 15222 ATTN: Mary's Marchers Team.