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

1,015 Profile Views

Yolanda Glover

Feb 02, 2026

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

Best lawyer for Trusts and Estates law in Boston. Period. I've seen others, but Mary-Kathleen O'Connell is on another level. They truly care about their clients and work hard to get the best results....

Clinton Von

Feb 02, 2026

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

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....

Gwendolyn Jenkins-Carroll

Feb 02, 2026

Top notch experts in Boston - Mary-Kathleen O'Connell is by far the best lawyer I've ever had

Albert Feil

Feb 02, 2026

Excellent legal representation provided by Mary-Kathleen O'Connell for my Trusts and Estates law case

Crystal Schulist

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...