Mary Jane O'Connor Obituary
With solemn hearts, we announce the passing of Mary Jane O'Connor (Williamsville, New York), whose presence will be deeply missed, having departed on May 20, 2026 at the age of 85. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her husband Donald C. O'Connor Jr.; her parents, George F. Wiedenbeck and Mary K. Wiedenbeck; and her brother-in-law Richard (Bonnie). She is survived by: her children, Donald C O'Connor III (Nadine), Kimberly A. Barnhard (Jeffrey), Tracy L. Spagnolo (Frank) and Kelly O'Connor; her grandchildren, Zachary, Sean, Megan O'Connor, Kyle and Marc Barnhard; her great grandchild Arabella; and her sister Joan Rischmiller (late Fred). She is also survived by nieces and nephews.
If desired contributions may be made in Mary Jane's memory to Erie County SPCA or the Brothers of Mercy.
