Callahan, John P. on April 22, 2014, 85 years of age, of St. Petersburg, FL, formerly of Huntington and Northport, NY. Loving father of Kevin J. Callahan (Deborah) and Barbara A. Callahan. Grandfather of Luke M. (Britany) and Kiera A. Callahan. Brother of Helen Reilly (the late John), Eileen Kirby, and pre-deceased by Peter, Thomas, Jack, and Kathleen Intoccia. Beloved Uncle, Great Uncle and Great, Great Uncle. Funeral Mass to be held Tuesday, June 10th, 11 AM, at St. Philip Neri Church, Northport. Interment of ashes to follow with U.S. Military Honors, at Calverton National Cemetery. nthfh.com