Passed away February 14, 2026. Beloved son of Kathleen (Shea) MacKinnon and S. Gregory MacKinnon. Loving brother of Terrence and Maureen MacKinnon. Also survived by many cousins and friends. Friends may call Sunday, February 22nd from 3-7PM at the JAMES W. CANNAN FUNERAL HOME INC. 3155 Orchard Park Rd. 716-675-9027. A Mass of Christian Burial will be held Monday, February 23rd at 11 AM at Sts. Peter and Paul Church 66 E. Main St. Hamburg, NY 14075. Please assemble at church. In lieu of flowers donations may be made to The Center for Working Families, Quito, Ecuador: www.c4wf.org Thomas was a graduate of Canisius High School and Fordham University. He worked as Vice President of Advancement at Scranton University for many years.