Mary J. O'Brien Obituary

It is with sadness that the passing of Mary J. O'Brien (New Hyde Park, New York) is shared. Mary, born on December 1, 1938, passed away on October 18, 2026. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

She was loved and cherished by many people including: her siblings, James (Seamus), Michael, Martin (Mattie), Kathleen Guilfoyle and Anne Francis Garrahy; her husband Patrick O'Brien; her daughter Geraldine; her parent Notre Dame Parish; her grandchildren, Claire, Christopher, Aileen, Liam, Hannah, Jacqueline, Jack, Darren, Cormac and Dermot; Morgan.

In lieu of flowers, please consider a donation to the Ronald McDonald House of Atlanta, in honor of Mary.