DUNHAM, Mark W. of Sea Cliff, NY on October 13, 2025 at Age 74.  Beloved husband of Patricia.  Loving father of Christina (Noah Barker) and Chelsea.  Proud grandfather of Gavin.  Also survived by many loving friends.  Mr. Dunham was a life long hockey player and enjoyed playing guitar.  Arrangements entrusted to Dodge-Thomas Funeral Home, Glen Cove.  Service at Locust Valley Cemetery to be held privately.  In lieu of flowers, donations can be made in his memory to your local PBS station.