Mr. Vallancourt was born July 29, 1943 in Brooklyn, NY. He is the son of the late John W and the late Johanna (Krug) Vallancourt. Beloved husband of Patricia. Devoted father of Victoria (James), Eric (Tracy), and Anthony (Antoinette). Proud grandfather of Tyler, Trey, Griffin, Savannah and Caitlyn, Dear brother Kathy, Keith and Joan-ann. Visitation hours will be Monday, January 4 from 7 - 9 pm and Tuesday, January 5 from 2 - 5 & 7 - 9pm at Charles J. O'Shea Funeral Homes, Inc., 603 Wantagh Ave., Wantagh, NY. The Funeral Service to celebrate his life will be held 10:00 am on Wednesday, January 6, 2016 at Charles J. O'Shea Funeral Homes, Inc., 603 Wantagh Ave., Wantagh, NY with burial will be in Nassau Knolls Cemetery and Memorial Park, Port Washington, NY.