William "Vassilios" J. Lykogiannis, of Jamaica Plain, MA passed away on October 29, 2023.  Beloved son of the late Ioannis and Fotini (Baroutsa) Lykogiannis. Beloved husband of the late Constance (Kariotis) Lykogiannis. Devoted father of John Lykogiannis. Loving brother of Maria Stavropoulos and her husband Elias and the late Dimitrios Lykogiannis and the late Panagiotis Lykogiannis.  Loving uncle of Jim Stavropoulos and his wife Cynthia, Tina Novick and her husband James, Kathy Panos and her husband James and Kiki Kariotis. Great uncle of Leo Stavropoulos, Gregory and Molly Novick, Maria Novick, and Peter and George Panos. Also survived by many relatives and friends.  Late Veteran US Army. Funeral Services and burial will be private. In lieu of flowers donations in his memory may be made to the charity of one's choice.