History of Mahaney Law Offices

John W. Mahaney obtained his law degree from Boston College Law School and opened Mahaney Law office in 1940. His office became an integral piece of the social and political community in Natick, Massachusetts where he raised his family.

His practice successfully concentrated in providing criminal defense throughout the courts of eastern Massachusetts. John W. Mahaney passed away in the spring of 1970 leaving the firm under the supervision of his brother in-law and associate Attorney Joseph Neylon.

In the 70’s, Mr. Mahaney’s two sons entered the profession and joined the firm at its office on Main Street in downtown Natick. Both sons initially gained their trial experience as Assistants to the Middlesex District Attorney’s Office. Mahaney Law Office transitioned in 80’s to a civil litigation practice leaving behind their criminal practice to concentrate on those areas they currently emphasize: Divorce, Probate Practice Personal Injury, Contract Disputes, Civil Law Litigation Practice.

The office flourished through the decades expanding its experience and expertise and practicing throughout the courts in all the Counties in Eastern Massachusetts.

Mahaney Law Office prides itself on the personal connection it maintains with all its clients. It is considered a trusted legal advisor to people all throughout the Commonwealth of Massachusetts. Mahaney Law Office works tirelessly to help those in need and with an extensive network of colleagues, legal professionals, and availability of 21st century technology there are few legal issues for which Mahaney Law Office cannot provide a solution. With a reputation for putting in the hard work necessary on every client’s problem Mahaney Law Office continues to grow and flourish in its suburban community.


  • 1940: John W. Mahaney founded Mahaney Law Office at 12 Main Street in Downtown Natick;

  • 1974: John D. Mahaney admitted to the Massachusetts Bar Association;

  • 1977: Gerard M. Mahaney admitted to the Massachusetts Bar Association;

  • 1983: Firm transitions to a Civil Litigation Practice;

  • 1991: Mahaney Law Office re-locates to its current location at 10 Eliot Street/Rt. 16, S. Natick, Massachusetts;