After a courageous battle with cancer, Sean suddenly passed away on October 6th, 2017 at Lakeridge Health Oshawa, in his 84th year. Beloved husband to the late Patricia. Dear father of Siobhan, Kieran and Geraldine. Devoted grandfather of Michael, Alexander, James, Nikolaus and Niamh. Predeceased by his brother Patrick. Sean will be greatly missed by his extended family and friends in Ireland. Mass of Christian Burial will be held at ST. JOHN THE EVANGELIST PARISH (903 Giffard Street, Whitby) on Friday, October 13th at 11:00 a.m. In lieu of flowers, donations would be greatly accepted for the Canadian Cancer Society..