1941-2026
Beloved wife of the late Donald C. O’Connor Jr.; dearest mother of Donald C (Nadine) O’Connor III, Kimberly A. (Jeffrey) Barnhard, Tracy L. (Frank) Spagnolo and Kelly O’Connor; grandmother of Zachary, Sean and Megan O’Connor and Kyle and Marc Barnhard; great grandmother of Arabella; daughter of the late George F. Wiedenbeck and Mary K. (nee Jerger) Wiedenbeck; sister of Joan (late Fred) Rischmiller; sister-in-law of the late Richard (Bonnie) O’Connor DDS, also survived by nieces and nephews. A Mass of Christian Burial will be celebrated Saturday, May 23, 2026, at 12 Noon at St. Gregory the Great RC Church, 200 St. Gregory Ct. Williamsville, NY. Flowers gratefully declined. If desired contributions may be made in Mary Jane’s memory to Erie County SPCA or the Brothers of Mercy.
