Mark Sergi, 63, of Endicott, passed away peacefully on Thursday March 26, 2026 following a brief illness. He was predeceased by his parents, Toni and Pat Sergi, and brother, Raymond Sergi. He is survived by his siblings, Tom and Anne Marie Sergi, niece and nephews, Thomas, Jacqueline, and Michael, cousins, and friends. Mark was a beloved son, brother, and uncle who will be fondly remembered. He loved dogs, especially the many German Shepherds he had over the years. He was passionate about music and a lifelong Bob Dylan fan. He also enjoyed spending time with his niece and nephews, leaving behind lasting memories. His life will be honored privately by his family.