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

1,019 Profile Views

Duane Willms

Feb 02, 2026

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

I've already told all my friends and family about Mary-Kathleen O'Connell. If you need Trusts and Estates law help in Massachusetts, they're the ones to see without any doubt. They are local experts w...

Kellie Runolfsdottir

Feb 02, 2026

So happy with the results of my case thanks to the hard work of Mary-Kathleen O'Connell and staff

I was really stressed about my case in Boston, but Mary-Kathleen O'Connell made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every...

Elijah Mante

Feb 02, 2026

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

It's hard finding a reliable lawyer these days, but Mary-Kathleen O'Connell in Boston is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, resp...

Julie Hudson

Feb 02, 2026

Highly recommend Mary-Kathleen O'Connell for anyone needing expert Trusts and Estates law help in Massachusetts

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...

Wallace Rau

Feb 02, 2026

So happy with the results of my case thanks to the hard work of Mary-Kathleen O'Connell and staff

If you're looking for someone who actually cares and will fight for you, go to Mary-Kathleen O'Connell. They helped me out big time with my Trusts and Estates law issue and kept me informed at every s...