Dennis Joseph O'Brien 72, passed away, Saturday, August 18, 2018 in Dallas. Dennis was born March 12, 1946 in Woodbridge, New Jersey. He served proudly in the US Army. He is preceded in death by his longtime companion, Beatrice Lorenz. Survivors: two daughters; step daughters, Ruth Brewer and husband, Dee and Janet Beckham and husband, Alan; grandchildren, Aaron, Catheryn, Samantha, Anna, Carl & Katelyn; great grandchildren, Daniel, Ayden and Hazel.