John F. ("Jack") McCarthy, III


University of Pennsylvania, J.D., 1973
Princeton University, B.A. summa cum laude, 1969
Lawrenceville School, 1965

Practice Areas

Estate Planning; Estate and Trust Administration; Probate and Trust Law; Corporate Planning; Real Estate; Business Litigation


1973, New Jersey; 1974 Florida; Qualified Mediator


Princeton, Mercer County and New Jersey State Bar Associations


A lifelong Princeton resident and third-generation Princeton attorney, John F. ("Jack") McCarthy, III has practiced law in Princeton for more than 30 years, with an emphasis in estate planning, probate, real estate and business law, representing closely held businesses and individuals in commercial transactions and estate matters.

Jack McCarthy was graduated from Princeton University with highest honors in history, winning the Phelps Prize for the best European History thesis and also winning a National Science Foundation grant. He was a goalkeeper on Princeton's varsity soccer team for two years and a member of the university's Ivy Club.

After receiving his J.D. from The University of Pennsylvania Law School, where he was a member of the Sharswood Law Club, Jack McCarthy, III practiced law with a New Jersey firm in Newark and then served as an Assistant Deputy Public Advocate for the N.J. Division of Rate Counsel. He was a director and shareholder of a Princeton law firm for more than 25 years before joining the McCarthy Law Office with his father, John F. McCarthy, Jr.

Jack McCarthy, III is a member of the Bedens Brook Club, the Nassau Club, The Princeton Club of New York, The Tournament Players Club of Princeton and Royal Dublin Society. In November 2009, he was named by the Irish Voice to the Irish Legal 100, a list of the top 100 Irish attorneys and judges.