Age 88, of Upper St. Clair, PA, passed away on Wednesday March 16, 2022. Beloved wife of the late Robert Eganhouse. Survived by John, Dayna and Michael Power (nephews and niece) and Juliette, John, and Kelly Power (great nieces and nephew) and Gregory and Mikaela (great nephew and niece). Marilyn worked at ALCOA for 47 years as a corporate secretary. Memorial service to be scheduled for April. Please add or view tributes at www.beinhauer.com.