O'Shaughnessy, John C. (Jack) on July 18, 2016 of Syosset, New York. Beloved husband of Donna (nee Ferri). Loving Father of Kelli (Dominic) DeRocha, John (Melissa) and Briana. Dear grandfather of 5. Fond brother of Thomas. Reposing at the Beney Funeral Home, 79 Berry Hill Rd., Syosset. Visiting Wednesday 2-4 &7-9pm. Funeral Mass Thursday 9:45am at St. Edward Confessor RC Church, 205 Jackson Ave., Syosset. Interment Calverton National Cemetery.