Gary D. Caslin, 75, of Spencer, NY passed away on Sunday, July 18, 2021. Gary was predeceased by his parents, Claude and Marian Caslin; his life partner, Ruth Pierce; brother, Doug Caslin; sister-in-law, Noveta Henry. He is survived by his children, Teresa Barnes and James Brooks, Julie and Shawn Harnish, Robin and John Baker; 11 grandchildren; five great-grandchildren; siblings, Barbara Brown, Jud and Joann Caslin, Dianna and Keith Burt, Steve Caslin; several nieces, nephews and cousins. Gary was a self- employed carpenter who enjoyed hunting, fishing, watching wildlife and gambling. The family will receive friends Friday, July 23, 2021 from 1:00 to 2:45 p.m. with services to immediately follow at 3:00 p.m. at the Estey, Munroe & Fahey Funeral Home, 137 Main St. Candor, NY. Funeral services will be live streamed at www.emfaheyfuneralhome.com (click Gary's obit). Burial will be in the Tioga Cemetery, Owego, NY. Condolences may be made to Gary's family at www.emfaheyfuneralhome.com.