Cortland - Dennis T. Byrnes, 63, passed away Wednesday, January 27, 2016 at Trumbull Memorial Hospital. He was born November 30, 1952, in Warren, Ohio the son of the late Theodore and Frances Byrnes. He was a 1971 graduate of Western Reserve High School. Dennis had been an Auto Mechanic for the last 40 years. He was a member of St. John Paul II Parish (Christ our King Church). He enjoyed going to flea markets, car shows and being with his friends. He is survived by his two children Daniel P. Byrnes of West Palm Beach, FL. and Brandy R. Byrnes of Niles, two sisters Maureen Byrnes of Warren and Janine Byrnes of Estero, FL, two aunts Tess Sabatini of Niles and Joanne Dockery of Cortland, two step daughters Stephanie (Justin) Robinson of Cortland and Carrie (Eric) Kimble of Wake Forest, NC, and six step grandchildren Shiann and Carter Robinson, Eric Jr, Kourtney, Steven and Sarah Kimble. He is preceded in death by his parents. Family and friends may call Sunday from 2:00 to 4:00 p.m. at the Peter Rossi & Son Memorial Chapel in Warren. In lieu of flowers contributions may be made in Dennis name to the American Diabetes Association 471 E Broad St. Ste. 1630, Columbus, Ohio 43215. Family and friends may visit www.peterrossiandsonfh.com to view this obituary, sign the guest book and send condolences to the Byrnes family.