Gary is the son of Paul, a Chevy tech worker, and Margie, a nurse. Gary is married to Lori, his wife of 38 years. His grown children are Kyle Peppin, a community school director, and Kara DeRade, a nurse, who are both DHS alums as well. He also has a granddaughter, Annie. Gary and Lori have two furry family members Chewy and Oliver.
Peppin is a long-time member of St. John’s parish and has served in many capacities there. Gary has served as a reader and Eucharistic Minister Captain as well as participate in committee work, such as Sports Council, Evangelization, and Building Committee.