Of Cheektowaga, NY entered into rest February 6, 2026. Beloved husband of Alberta (nee Shephard) Giangrosso; cherished father of Karen Cassata and Brett (Rose) Giangrosso; devoted brother of Marie (late Phil) Green and the late Lena Merecki, Santa Kasper, Jenny, Sam, Anthony, Vincent, Jack, and Delores Giangrosso, and Charles Gioia; loving bonus grandfather of Kierra and Gabrielle Cassata, Randy and Erica Monterro; also survived by many nieces, nephews, family, and friends. No prior visitation. Private services will be held at the convenience of the family. In lieu of flowers, donations may be made in Johnny's memory to the American Cancer Society or Hospice of Buffalo.