Mary B. (McColgan) O'Toole's obituary , Passed away on March 2, 2026 in Dorchester, Massachusetts

Mary B. (McColgan) O'Toole

October 12, 1934 - March 2, 2026 (91 years old)

Dorchester, Massachusetts

Mary B. (McColgan) O'Toole's obituary , Passed away on March 2, 2026 in Dorchester, Massachusetts

Funeral arrangement under the care of
John J. O'Connor and Son Funeral Home

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Mary B. (McColgan) O'Toole

October 12, 1934 - March 2, 2026 (91 years old)

Dorchester, Massachusetts

Mary B. (McColgan) O'Toole Obituary

It is with deep sorrow that we announce the death of Mary B. (McColgan) O'Toole of Dorchester, Massachusetts, who passed away on March 2, 2026, at the age of 91, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Mary B. (McColgan) O'Toole to show support.

She was predeceased by: her husband Kevin J. O'Toole; her daughter Ann M. Ryan; and her siblings, Roseleen "Toddy" Dello Russo, William and Donald McColgan.

She is survived by: her children, Elizabeth "Beth" Emery (Scott) of Dorchester, Kathleen Fahey of Dorchester, John O'Toole (Elizabeth) of Dorchester, Stephen O'Toole of Dorchester and Jennifer Boles (Andrew) of Milton; and her sisters, Anne Gendrolis and Marjorie Sullivan. She is also survived by many loving nieces, nephews, and dear friends.

Visitation was held on Sunday, March 8th 2026 from 2:00 PM to 6:00 PM at the John J. O'Connor & Son Funeral Home (740 Adams St, Dorchester, MA 02122). A funeral Mass was held on Monday, March 9th 2026 at 10:00 AM at the St. Brendan's Church (589 Gallivan Blvd, Boston, MA 02124).

In lieu of flowers, please consider making a donation to Friends of St. Brendan using the link below.

Funeral arrangement under the care of
John J. O'Connor and Son Funeral Home



Sun

Mar 08

Visitation

John J. O'Connor & Son Funeral Home
740 Adams St, Dorchester, MA 02122

Mon

Mar 09

Funeral Mass

St. Brendan's Church
589 Gallivan Blvd, Boston, MA 02124

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