After his discharge, he earned a certificate in drafting from the Opportunities Industrialization Center and earned a certificate in industrial electricity from Spring Garden College. He also took courses at Temple.
Mr. Mabry was on the cross-country team at Overbrook. He later ran in two Philadelphia marathons and participated in the Philadelphia Broad Street Run and worked out at the YWCA in West Philadelphia.
Every year, he attended the Penn Relays, and he went to the 1976 Summer Olympic Games in Montreal and the 1996 Games in Atlanta with his daughter.
He enjoyed travel and visited Las Vegas every March on his birthday.
Since 1963, he had been married to Yvonne Sandle Mabry. The couple met at a New Year's Eve party.
Mr. Mabry was a longtime member of the men's ministry and adult Sunday school at Mount Olivet Tabernacle Baptist Church. In 2008, he sponsored a "Dollars for Scholars" program for the youth ministry.
He "valiantly fought" kidney disease for more than 25 years, his daughter said.
Mr. Mabry is survived by his wife and daughter.
A funeral will be at 10:30 a.m. Friday, Jan. 27, at Mount Olivet Tabernacle Baptist Church, 647 N. 42d St. Burial will be in Woodlands Cemetery, Philadelphia.
Donations may be made to the National Kidney Foundation, 30 E. 33d St., New York, N.Y. 10016.
Contact staff writer Sally A. Downey at 215-854-2913 or sdowney@phillynews.com.