Age 89, of Bethel Park, on Saturday, February 6, 2021. Beloved wife for 68 years to Melvin. Dear mother of Donna Hamilton, Audrey (Donald) Prex, Daniel Ruffing and William (Lori) Ruffing. Loving grandmother of Timothy Prex, Andrea Grubb, Michael Ruffing, Amy Martin, Danielle Ruffing, Mark Ruffing, Lisa McNearney, Jennifer Prex and Scott Ruffing. Also 16 great-grandchildren. Sister of Eileen John, Judy Bertha, Donald Prosser, Donna Lee Carretta and the late Lois Borne. Also many loving nieces and nephews. Dolores was a volunteer at St. Clair Hospital and a member of St. Thomas More Church for 54 years. Friends welcome Monday 2-8 p.m. at FREYVOGEL-SLATER FUNERAL DIRECTORS, 112 Fort Couch Road (opposite Macy's South Hills Village), Bethel Park, Mass of Christian Burial in Resurrection Parish, St. Thomas More Church Tuesday 10 a.m. In lieu of flowers, memorial donations to Alzheimer's Assoc. 2835 East Carson St., Suite 200, Pgh., PA 15203. www.slaterfuneral.com