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

1,017 Profile Views

Alan Nienow

Feb 02, 2026

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

I wasn't sure who to call for my Trusts and Estates law problem, but I'm so glad I went with Mary-Kathleen O'Connell. They really listened to me and understood my situation. It was such a relief to ha...

Flora Larson

Feb 02, 2026

Absolutely Great! I couldn't be happier with the service from Mary-Kathleen O'Connell

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...

Diana Greenholt

Feb 02, 2026

A very good experience overall with the entire team at Mary-Kathleen O'Connell's legal practice

I've worked with a few lawyers in Boston over the years, but Mary-Kathleen O'Connell stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times....

Jason Pacocha-VonRueden

Feb 02, 2026

Mary-Kathleen O'Connell did a great job handling my complex Trusts and Estates law case from start to finish

Larry Robel

Feb 02, 2026

A very good experience overall with the entire team at Mary-Kathleen O'Connell's legal practice