Mary Sheehan, 77 year old, of Dorchester, MA passed away peacefully after a long illness with her family at her bedside, on June 9, 2026.

Mary grew up in Dorchester and Hyde Park, where she attended high school, class of 1966. She previously resided in Randolph. MA. She was the first born to the late Lester Sheehan and Margaret (Drinkwater) Sheehan. Mary is the sister of her loving brother Lester Sheehan, MD and his wife, Joan, of Milton, MA. She was predeceased by her brother Richard Sheehan and his wife Laura Viehmann MD of RI.

Mary worked for a career as the Assistant City Registrar for Boston. After her retirement, she was recruited by surrounding towns for consultation and helped one town completely restructure their department. After that, she relaxed some and worked in the gift shop at Boston Children’s Hospital enjoying and helping the children and their families.

Mary loved to travel and to cruise, visiting Ireland many times, England, much of Europe, Australia and New Zealand and many more. She loved Canada and traveled much of the United States. She enjoyed theater and dining out with her longstanding group of friends.

Mary’s greatest loves were her niece and nephews, Megan Sheehan Wanczyk (David), of Athens OH, Marc Sheehan (Tara Mahoney), Canton, MA, Patrick Sheehan, Washington, DC and Andrew Sheehan (Hailey Donovan), Pawtucket, RI. She adored her grandniece, Natalie Wanczyk and grandnephew Benjamin Wanczyk.

Mary had a very generous and charitable heart, helping many people and charitable organizations.

In Lieu of flowers, contributions in Mary’s memory may be made to the Foundation for Appalachian Ohio’s Health & Human Services Pillar at www.AppalachianOhio.org or mailed to 35 Public Square, Nelsonville, OH 45701.

A Mass of Christian Burial will be celebrated at Saint Gregory Church, 2223 Dorchester Avenue, Tuesday June 23rd at 10:00 AM. Family and friends invited. Visiting hours at Dolan Funeral Home, 1140 Washington Street, DORCHESTER LOWER MILLS, Monday June 22nd from 4-8 PM.