Brian Whyte Dempster, age 85, of Islip Terrace, New York, formerly of Deer Park, NY, passed away on Thursday, August 24, 2023. He was born in Belfast, Ireland. Beloved husband of the late Joyce. Loving father of Lorre (Bob) Snyder, Brian and Christine (John) Zampaglione. Adored grandpa of Ethan, Samantha, Bobbie, Christian, Allison, Zachary, Joseph, Dylan, Kayla and Bryce. He will be missed by his many friends and loved by all who knew him. A simple man with a giant heart. Brian was wise, funny, and witty. To know him was to love him.