Byrne, William J., MD– on Dec. 8, 2022, age 69, of East Norwich, NY. Beloved husband of Louise Collura. Devoted son of Elizabeth. Loving brother of Elizabeth Luchsinger (Jack) Catherine Lewonka (Vincent) and the late Peter. Also survived by many loving nieces, nephews, relatives and friends. Visiting Oyster Bay Funeral Home, 261 South St., Oyster Bay, NY, Sunday 3-6 p.m. Funeral Mass St. Dominic RC Chapel, Oyster Bay, NY on Monday, 10:30 a.m. Entombment Pinelawn Memorial Park. www.oysterbayfuneralhome.com