Leonard F. Jackowski, 78, of West Babylon, formerly of Maspeth and Greenpoint, Brooklyn, entered into Eternal Life on Saturday, December 16, 2023. Beloved husband of 57 years of Cathy (Skolodz) Jackowski. Devoted father of William and his wife, Jeanine, Lenny and his wife, Cheryl, Gregory and his wife, Aimee, and Kevin. Adored grandfather of Alyssa, Daniel, Amanda, Megan, Kate, and Abby. Predeceased by his parents, Anthony and Anna, and his siblings, Helen, William, and Walter. Lenny was a devoted family man who was full of love and laughter, as well as a gifted electrician with Local 3 in Flushing, NY for 42 years. He will be forever loved and deeply missed by each life that he touched. The Jackowski family will receive friends at Claude R. Boyd-Spencer Funeral Home, 448 W. Main Street, Babylon, Wednesday, December 20, 2023, 2-4:30 p.m. & 7-9 p.m. Funeral mass Thursday, December 21, 2023, Our Lady of Grace RC Church, West Babylon. Interment to follow at North Babylon Cemetery.