Maryellen McDermott Obituary
In loving memory of Maryellen McDermott in Braintree, Massachusetts, who departed this world on May 24, 2026 at the age of 77. Maryellen leaves behind a legacy remembered by family and friends. Family and friends are welcome to send flowers or leave their condolences on this memorial page and share them with the family.
She was predeceased by: her husband Bob; her parents, Joseph Sheehan and Margaret Sheehan; her brother Joseph (Christine Sheehan); and her nephew Sean O'Keefe.
She is survived by: her children, Christopher McDermott (Rachael) of Pembroke, Laura McDermott of Abington and Kathleen McDermott Dadekian of Braintree; her grandchildren, Carina Gail, Vince Robert Dadekian and Boston; her sister Margaret O'Keefe (Bob) of Saco; her brother-in-law Bill McDermott of Hull; her nieces and nephews, Katy Swanson Turner, Joseph Sheehan, Elizabeth Sheehan Castro, Neil O'Keefe, Mark Sheehan and Matthew Sheehan; her great-nieces and great-nephews, Haely Swanson, Ella Swanson, Liv Turner, Connor O'Keefe, Gabe O'Keefe, Kayani Sheehan Castro, Jolay Sheehan Castro and Vincent Sheehan; her brother Joe; her father-in-law Bob; her daughters, Caroline and Erin; and her friends, Joan, Greg, Gale, Spud, Eileen, Steve, Alice, Eddie, Janet and Kenny.
