GRASSO, John J. on September 12, 2021 of Calverton, New York. Beloved father of Suzanne Brennan (Philip), Gregory Grasso (Carolyn) and John Grasso (Diana). Loving grandfather of Danielle, Christopher, Nicolas, Robert, Emma and Joseph. Cherished great grandfather of Matthew. Dear brother of Theresa Tinto and the late Anthony Grasso. Dear friend of Susie Bennett. Reposing at O.B. Davis Funeral Homes, 1001 Route 25A, Miller Place, New York. Visitation Wednesday, September 15, 2021 from 8:30 am to 10 am. Funeral Mass Wednesday, September 15, 2021, 10:30 am St. Anthony of Padua R.C. Church, Rocky Point, New York. Interment Calverton National Cemetery.