Mr. Oberly had lived in West Barnstable since his retirement from the Philadelphia law firm in 1997. He had previously resided in Devon since 1967.

He was raised in Upper Darby and graduated in 1949 from Episcopal Academy and in 1953 from the University of Pennsylvania, where he was a member of the Mask and Wig Club. He then served three years in the Navy, from 1953 to 1956, as a gunnery officer on a radar picket destroyer in the Atlantic Fleet.

After his discharge, he returned to Penn to earn his law degree. He worked briefly for a small law firm in Philadelphia before joining Schnader, Harrison, Segal & Lewis. He spent 30 years with the firm, specializing in trusts and estates, and was a former Pennsylvania chairman of the American College of Trusts and Estates Counsel.

An active tennis player, Mr. Oberly was a longtime member of Waynesborough Country Club in Paoli.

He is survived by his wife of 40 years, Linda Henley Oberly; daughters Lisa Dunbar and Amy; son Henry; a sister; and a grandson.A memorial service will be held at 11:30 a.m. Monday at Bryn Mawr Presbyterian Church. Burial will be private.