Whitehill, Thomas J., of Sea Cliff, NY peacefully passed away on April 15, 2021. Beloved husband of Ellen. Loving father of Tara Grossman (George), Katherine Livingston (Keith), and Christine Marin (Marc). Cherished grandfather to seven grandchildren and one great grandchild. Dear brother of James and the late Marilynn Nelson. Interment at Long Island Cremation Company. There are no services at this time. Please consider a donation to Sea Cliff Fire Department.