Age 86, of Lawrenceville, on Sunday, July 5, 2026. Beloved daughter of the late William and Mayme (Ashton) Rorison; loving sister of Miriam (David) Devey, and the late Harry "Pete" (surviving wife Rose) Rorison, William "Rip" (Betty) Rorison, Anna Mae (Robert) Heinrich, Carrie "Honey" (Joseph) Marasco, Charlotte (Robert) O'Mahony, Edward (surviving wife Audrey) Rorison, Albert (surviving wife Mary Ann) Rorison, and Mayme G. Rorison; also survived by numerous nieces and nephews. Margaret loved to play bingo, and she once enjoyed cooking for her many friends at St. Augustine Plaza, where she resided. She loved to decorate her apartment for the holidays. She had been employed at the former St. Francis Hospital in its housekeeping and medical records departments and at the Goodwill Store on McKnight Road. A memorial service will be held for family and friends at the WALTER J. ZALEWSKI FUNERAL HOME, 216 44th St., Lawrenceville at 11 a.m. Saturday, July 18, with visitation for one hour before the service. An interment service will be held at Allegheny Cemetery. In lieu of flowers, memorial contributions can be made to Meals-on-Wheels-McKnight, 517 Sangree Road, Pittsburgh, PA 15237.