Mark J Kljucaric, 90, of Monroeville passed away peacefully with family by his side on August 7, 2023.  Mark was born in Trafford on October 23, 1932, the son of the late Marko and Anne (Fabijanac) Kljucaric. Mark was a U.S. Army Veteran that spent his working life as a self-employed construction engineer. Mark’s faith and love for Jesus Christ continued to grow until his passing. Mark is survived by his wife of 66 years Gerry (Bayus); his loving children, Karen (Jerry), Susan and David; his grandchildren Rebecca, Christopher and Eric; as well as his great-grandchildren, Brayden, Caleb and Zayn. Family and friends will be received on Friday, August 11, from 4-8 PM in the John M. Dobrinick Funeral Home, Inc., 702 7th St. (State Rt. 130), Trafford, 412-372-3111. Funeral services will take place on Saturday, August 12, at 11 AM in the funeral home with Rev. Robert Ellson officiating. Interment will follow in the Twin Valley Memorial Park, Delmont. In lieu of flowers, donations can be made to Milestone Centers. 510 Seco Rd. Monroeville, PA. 15146. www.dobrinickfhinc.com