DENNIS R. JENNINGS, formerly of Hackensack, NJ, passed away peacefully on April 8, 2020 at the age of 80 years. Prior to retiring, he had worked as a Fireman for the Hackensack Fire Department for over 27 years. Dennis proudly served his country and was Honorably Discharged from the U.S. Air Force. He was a Past President of the IFF Local #2081 Hackensack Fire Fighters Association. Beloved husband of Elizabeth (Nee Colamorea). Loving father of Richard Jennings and his wife Patty of Little Ferry, Dennis Jennings of Oradell, Kimberly Keogh and her husband Stephen of Emerson, Arthur May and his wife Robin of Tenafly, Allison Faraldi and her husband Joe of Barnegat, and David May and his wife Naomi of Mahwah. Dennis' pride and joy was being a loving grandfather to Alexis and her husband Jerry, Austin and his wife Arielle, Stephen, Victoria, Joseph, Nicklas, Sofia, Sandra, Kaitlyn, Tori and Carleigh and great grandfather to Ava, Maddison, and Kai. Dearest brother of Richard Jennings, Patricia D'Ambrosio and Kathleen Jennings. The Mass of Christian Burial will be celebrated on Saturday, July 18th, at 12 Noon at the Church of the Immaculate Conception Church, 49 Vreeland Avenue, Hackensack.