John J. Doyle, III

John J. Doyle, III passed away suddenly on October 15, 2026, at the age of 70. He was the beloved son of the late John J. Doyle, Jr. and Mary E. (nee Baxter), and a loving father to his cherished daughter, Caitlin M. Doyle, affectionately known as “Katie.”

John was the dear brother of Francis X. Doyle (Patricia), Maura B. Doyle, and the late Kevin P. Doyle. He is also survived by his sister-in-law, Jane Doyle, and his nieces and nephews, Mary Pat (Martin), Brendan (Sarah), CJ (Kathleen), Seamus, Sinead, and Maryann as well as four great nieces and nephews, Jack, Nora, Erin, and Cooper Francis. He was preceded in death by his nephews, Francis X. Doyle, Jr. and Jack Doyle.

A proud graduate of Holy Ghost Preparatory School and La Salle University, John went on to earn his Juris Doctor from Gonzaga University School of Law. He dedicated his professional life to public service as a longtime Assistant District Attorney in the Philadelphia District Attorney’s Office, where he served his community through his commitment to the law. The vast majority of his extensive tenure was spent in the Homicide Unit. He was a cherished and respected mentor and friend to many attorneys who looked to him for practical advice and guidance. A master of language, a relentless seeker of truth, and a skilled debater and trial attorney, he leaves behind a legacy defined by an extraordinary career in the pursuit of justice.

Outside of his career, John had a wide range of interests that reflected his curiosity and love of life. He was a true lover of nature and animals. He was a passionate music enthusiast, theatergoer, and cinephile, who appreciated the stories, performances, and artistry that brought people together. He enjoyed traveling and spending time at the beach. He was an enthusiastic walker and explorer of local, scenic paths. He was a lifelong Philadelphia Phillies fan who shared season tickets with his daughter. He was his daughter's little league coach who spent many hours sharing baseball history and quoting baseball movies. (There's no crying in baseball!) He spent many sunny days attending local minor league games. He loved sitting in the stands, where a baseball game was made even better with hot dogs, a cold beer, and ice cream. He was a devoted fan of Notre Dame and Penn State football, Gonzaga basketball, and professional tennis. John spent many of his best days trying new restaurants or local favorites, sharing meals with loved ones, and always ordering dessert. He considered himself a pizza connoisseur. An avid reader and history buff, he amassed a wealth of knowledge and a personal library that reflected his deep appreciation for the past. His passion for reading, history, and the law could only be rivaled by his love for those he leaves behind.

John will be deeply missed by all who knew and loved him.

Relatives and friends are invited to attend his visitation on Thursday October 22, 2026 from 7:00-9:00 PM at Burns Funeral Home, 9708 Frankford Ave. Phila., PA 19114 and on Friday at St. Katherine of Siena Church, 9700 Frankford Ave. Phila., PA 19114 from 9:00 AM to 10:45 AM, followed by his Funeral Mass at 11:00 AM. Interment will follow at Our Lady of Grace Cemetery.

In lieu of flowers, donations in John's memory may be made to The Next Step Programs /Adam’s Way, 204 N West St. Unit 102, Doylestown, PA 18901. 484-718-5086, Josh@tnsprograms.org.

Please click here to livestream John's Funeral Mass.

Meeting ID: 868 6158 1645

Passcode: 497167