Damphousse was ordained on 28 June 1991 for the
Archdiocese of Saint-Boniface. He served at several parishes and was vocations director as well as chaplain at Saint-Boniface Diocesan High School before being appointed Rector of the
Saint Boniface Cathedral in 2008. He also taught at the Manitoba Catholic School of Evangelization. On 28 June 2012, Pope Benedict XVI appointed the Damphousse Bishop of Alexandria-Cornwall. He was ordained bishop on 2 September 2012 in
St. Finnan's Basilica. On 12 November 2015, Pope Francis appointed Damphousse Bishop of Sault Ste. Marie. On 6 May 2020, he was named the coadjutor archbishop of the Archdiocese of Ottawa-Cornwall. He succeeded
Terrence Prendergast following the latter's retirement on 3 December 2020. == References ==