DeRienzo, Harold – On August 18, 2020, of East Northport (formerly a longtime resident of Lake Ronkonkoma), 89 years of age. Loving husband of more than 68 years to Catherine (née Conaghan). Beloved father of Joanne (Howie) Lyons, Harold (Helena) DeRienzo, Richard (Carol) DeRienzo, and John (Carol) DeRienzo. Cherished grandfather of Christopher, Michael, Lauren, Jay, Catey, Caitlin, Megan, Koy, Chantel, William, Tony, & Chris. Also dearly loved by his many great grandchildren. Funeral Mass Saturday, 9:30 AM at Our Lady Queen of Martyrs, Centerport. Interment to follow at St. Charles Cemetery, Farmingdale.