Mary-Kathleen O'Connell

4.5 (31 reviews )

Boston Massachusetts United States

Trusts and Estates

Recognized in Best Attorney USA since 2005

617-570-1000 Website

About Mary-Kathleen

Mary-Kathleen O'Connell is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates.Mary-Kathleen, who practices law in Boston, Massachusetts, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary-Kathleen is held by other top lawyers in the same geographic and legal practice area.

Mary-Kathleen O'Connell is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates.

Mary-Kathleen, who practices law in Boston, Massachusetts, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary-Kathleen is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Trusts and Estates

Education

New York University

Awards & Recognition

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Reviews

4.5 / 5

31 Reviews

1,018 Profile Views

Priscilla Keeling

Feb 02, 2026

The absolute best in Boston for Trusts and Estates law - and I mean that from the bottom of my heart

Short and sweet: Mary-Kathleen O'Connell is the real deal and a true professional in the field of Trusts and Estates law. If you're in Boston and need help with your legal issues, call them immediatel...

Jeremy White

Feb 02, 2026

Professional service and clear communication provided by Mary-Kathleen O'Connell in Boston

Needed help with Trusts and Estates law and Mary-Kathleen O'Connell delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Massachusetts looking f...

Louise Reichert

Feb 02, 2026

Professional service and clear communication provided by Mary-Kathleen O'Connell in Boston

I appreciate how Mary-Kathleen O'Connell handled my case. No fluff, just straight to the point and very effective representation for my Trusts and Estates law matter. They are obviously very experienc...

Priscilla Stanton

Feb 02, 2026

Many thanks to Mary-Kathleen O'Connell for the hard work and dedication to my legal matter

Super helpful and professional staff at Mary-Kathleen O'Connell's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and...

Lee Kiehn

Feb 02, 2026

Would recommend Mary-Kathleen O'Connell for sure to anyone in Boston needing legal help

Everyone at Mary-Kathleen O'Connell's office in Boston was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never fel...