Mary Ann O'Brien Obituary
The memory of Mary Ann O'Brien (Calverton, New York), born in Mineola, New York, who passed away on January 11, 2026 at the age of 79, will forever remain in the hearts of those touched by this precious presence in their lives. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, George Wallace and Elizabeth Wallace. She is survived by: her spouse Thomas O'Brien; her children, Denise (John), Thomas O'Brien (Laura), Kenneth (Jennifer) and Michael (Stefanie); her grandchildren, JT, Ryan, James, Ashley, Colette, Drew, Kylie, Rhys, Charles, Christopher and Joseph; and her siblings, Marguerite, Kathleen and George.
Donations may be made in Mary Ann's memory to: http://www.bloodcancerunited.org.
