Age 90, of Green Tree, on Monday, February 23, 2015. Beloved wife of the late Edgar W. Carlson; loving mother of Ken Carlson, Kathy Tyler, Kevin Carlson, Diane (Mark) Battaglia, Lynn (Joe) Haid and the late Tom Carlson; sister of Ruth Gergerich and the late Mary Jane and Joanne; also survived by 13 grandchildren. Friends welcome Friday 2-4 and 6-8 p.m. at WILLIAM SLATER II FUNERAL SERVICE, (412-563-2800), 1650 Greentree Rd., Scott Twp. Mass of Christian Burial in Ss. Simon & Jude Church Saturday 10 a.m. In lieu of flowers, donations may be made in Dorothy's name to the Alzheimer's Association , 1100 Liberty Ave., Suite E-201, Pgh., PA 15222.