was 69. He is survived by a large and loving family. Beloved partner of Janet Cassidy. Cherished father to Evan (Amanda), Christopher (Nicole), and Kelly Rapoport (Matthew) with his former wife Jackie Hahn. Adored Pop-Pop of Madison, Ryland, Lucas, Benjamin, and Brayden. Loving brother to Gary (Patricia), Pamela Lawless, and Kathleen Cutrone. Dennis was a proud member of the U.S. Air Force Air National Guard from 1969 to 1975, and had a passion for fishing, gardening, books, the Jets, Mets and a good joke. Services entrusted to Claude R. Boyd-Spencer Funeral Homes, 448 West Main Street, Babylon. Family to receive friends, at the funeral home, on Sunday, March 19, 2017, from 1-3 pm and 5-7 pm. For further information, or help with directions, kindly call the funeral home at (631) 669-2400.