Mary C. Sullivan (nee Biesinger) passed away on February 27, 2026, at the age of 94. Beloved wife of the late Robert J. Sullivan; loving mother of Robert J. Jr. (Debra) and Joseph Sullivan; grandmother of Kevin (Staci), Keri (Arnie) Caldwell and Christopher; great-grandmother of Brayden, Aiden and Kendall; sister of Lois (late Charles) Wilson, Paul (Kathy) Biesinger, Frederick (Sandra) Armburst and the late Colleen (late Richard) Westerkamp; survived by many nieces and nephews. Family will be present Wednesday, March 4th from 10 AM to 12 PM at HOY FUNERAL HOME, 3855 Seneca St., West Seneca, where a Funeral Service will be held at Noon. In lieu of flowers, memorials may be made to Autumn View HCF and Rehabilitation Facility, 4650 Southwestern Blvd., Hamburg.
