Age 85 of South Fayette, formerly of Monroeville on April 15, 2023. Beloved husband of Nikki O’Brien for 39 years; son of the late Thomas and Jean (Homer) O’Brien. He is survived by his daughters Jackie (Scott) McDonald, Carolyn (Tom) Ferraro, and Michele (Bob) Stephens, and their mother Patricia R. O’Brien. Cherished grandfather of Danielle (John) Scott, Benjamin McDonald, Lindsey Stephens, Christopher Stephens, and Mick Stephens, and great grandfather of Lincoln Scott; loving brother of Patrick O’Brien, Richard O'Brien, Peggy Dykstra, and the late Tom O’Brien, and brother-in-law of Ruth O’Brien, Maureen O’Hare, David “Sonny” Gump, and the late Patricia Gump; also survived by many nieces, nephews, and cousins who he loved very much. Jack retired after working many years as a machine salesman for Gage Co. of Pittsburgh. He was an active member of Bethany Presbyterian Church, where he served as an Elder. He was an avid golfer and enjoyed his retirement by traveling, and cruising with his wife and cousins Louis and Judy. Jack was a sweet and gentle soul, who adored his wife and the life they lived together.
Family and friends received on Friday from 10 AM until 12 PM at Bethany Presbyterian Church, 740 Washington Avenue, Bridgeville, where a service will immediately follow at 12 PM. Arrangements entrusted to the Warchol Funeral Home Inc. In lieu of flowers, please consider a donation to the Bethany Presbyterian Scholarship Fund.