Jaclyn S. O

One International Place
Boston, MA 02110
T: (617) 345 4682
F: (617) 849 7508

Jaclyn S. O'Leary – Associate

Professional Experience

Jaclyn O'Leary's practice focuses in the areas of estate planning and estate and trust administration. She works with clients to implement comprehensive estate plans, and guides clients through estate administration, addressing any complex estate, trust, probate and tax matters that may arise in the process. In addition, Jaclyn works with multi-generational families in administering family trusts and facilitating related transactions. Jaclyn also has experience advising clients as to the disclosure of previously unreported foreign financial accounts and entities to the U.S. government, as well as ensuring future compliance with U.S. tax laws in relation to such accounts and entities.

Practice Areas

News, Publications & Presentations


  • Suffolk University Law School, J.D., cum laude, 2010
  • Boston College, B.A., 2004


  • Commonwealth of Massachusetts

Professional Affiliations

  • Boston Bar Association, Trusts & Estates Section; New Developments Committee Co-Chair, Fall 2013 to Present; New Developments Committee Member, Fall 2011 to Fall 2013
  • Boston Estate Planning Council, Women's Initiative Committee, Spring 2014 to Present; Roundtable Committee, Spring 2012 to Spring 2014; Membership Committee, Spring 2010 to Spring 2012
  • Greater Boston Fiduciary American Inn of Court, Member

Outside Interests

  • Victim Rights Law Center, Boston, MA, volunteer advocating for the rights of victims of rape and sexual violence
  • Boston Bar Foundation, "Passport to Pairings" Steering Committee Member, volunteer to raise funds and awareness for the public service projects of the Boston Bar Association