Mary J. O'Leary Obituary

We are sad to announce that, on January 8, 2026 we had to say goodbye to Mary J. O'Leary of Cambridge, Massachusetts. You can send your sympathy in the guestbook provided and share it with the family.

She was predeceased by: her parent Thomas Cullinane; her husbands, Paul J. Kennedy and Kenneth O'Leary; her son Thomas Kennedy (Cynthia) of Little Lake; her siblings, Frances Gaffey, Anne Sheahan, Bridget Kissane, Nancy Cullinane, Margaret Houston, Kay Matthews, Josephine Heffernan, Willie Cullinane, Angela Taylor and Andrew Cullinane; and her mother Margaret Cullinane (McDonough).

She is survived by: her children, Paul Kennedy (Shirley) of Cape Neddick, ME and Jacqueline Chioccariello (John) of Arlington, Mass; her grandchildren, Thomas Kennedy Jr. of Arkansas, Shannon Kennedy of Maine, Kelley Sanville of Michigan, Courtney Kennedy, Haley Chioccariello, Paul Chioccariello of Massachusetts and Michael Kennedy of New Hampshire; her great grandchildren, Colby, Maisie Kennedy, Oliver, Harlow Kennedy-Cleaver, Tyler, Lexi, Madison Kennedy, Cooper, Connor and Kyle Sanville; her son Irish; and her grandchild Jacqui. She is also survived by many loving nieces, nephews, godchildren, and dear friends.

In lieu of flowers, donations may be made in Mary's memory to St. Jude's Children's Research Hospital.