Francis C. Barbieri Jr., 73, a former Assistant U.S. Attorney for the Eastern District of Pennsylvania, died Sept. 17 of cancer at his home in Chestnut Hill.

Until his retirement in 2011, Mr. had served as director of weapons prosecution for the U.S. Attorney’s Office in Philadelphia.

Earlier in his career he had worked for many years as an Assistant District Attorney in the Philadelphia District Attorneys’ Office. In addition to being one of the first charging ADAs, he served as chief of the Narcotics Unit, chief of FAST (Federal Alternatives to State Trials), and director of training for the office.

Raised in Horsham, he was a graduate of La Salle University and Villanova Law School. He served in the Navy during the Vietnam War.

Active in his community, Mr. Barbieri served on various committees of the Chestnut Hill Community Association, on the board of the Friends of the Chestnut Hill Library, as Scoutmaster of Boy Scout Troop 177, and as president of the Parish Council of Our Mother of Consolation Church.

He is survived by his wife of 46 years, the former Hannelore Lawin; daughters Catherine, Jennifer and Michelle; a son, Alexander; and 10 grandchildren.

A funeral Mass was celebrated Thursday, Sept. 21, at Our Mother of Consolation Church in Chestnut Hill with interment at New Cathedral Cemetery. Memorial  contributions may be made to, which supports cancer research at Penn Medicine’s Abramson Cancer Center.