Robert Allen Irwin, age 86, of Middle Island, New York died on June 11, 2015. US Army Veteran. Retired lead foreman at Grumman in Calverton, NY. Beloved husband of Mary Irwin. Loving father of James Irwin (Irene), Philip Irwin, and Brian Irwin (Maria). Cherished grandfather of 5. A Funeral Mass was held 9:45 am on Monday June 15th, 2015 at St. Gerard Majella RC Church, Port Jefferson Station, New York. Interment followed at Calverton National Cemetery, Calverton, New York.