The diocese of Bytown was founded in 1847. In 1860, the name was changed to Diocese of Ottawa, and it became an archdiocese in 1886.
|1847-1874||Most Rev. Joseph Eugène Bruno Guigues, O.M.I.|
|1974-1909||Most Rev. Joseph Thomas Duhamel|
|1910-1922||Most Rev. Charles-Hugues Gauthier|
|1922-1927||Most Rev. Joseph Médard Émard|
|1928-1940||Most Rev. Guillaume Forbes|
|1940-1953||Most Rev. Alexandre Vachon|
|1953-1966||Most Rev. Marie-Joseph Lemieux, O.P.|
|1967-1989||Most Rev. Joseph-Aurèle Plourde|
|1989-2007||Most Rev. Marcel A. Gervais|
|2007-||Most Rev. Terrence Prendergast, S.J.|
Currently, the archdiocese has 131 diocesan and 58 religious priests, 638 religious brothers and sisters, 71 permanent deacons and an ever-growing number of lay pastoral workers serving a multicultural Catholic population of close to 400,000 Catholics in 110 parishes and missions.
To learn more about the Archdiocese: www.catholicottawa.ca