In 1846 the Apostolic Vicariate of Oregon became the Ecclesiastical Province of Oregon and was divided into three Sees and five associated districts; OREGON CITY, Nesqually; WALLA WALLA, For Hall, Colville; VANCOUVER ISLAND, Queen Charlotte Islands, and New Caledonia.
Ecclesiastical Province of Oregon - established December 1, 1843
Archbishop Francois Norbert Blanchet 1843-1846
Diocese of Vancouver Island, Queen Charlotte Islands and New Caledonia
Bishop Modeste Demers 1847-1871
Vicariate Apostolic of British Columbia - established December 14, 1863
(formerly Queen Charlotte Island and New Caledonia)
Bishop Louis-Joseph D'Herbomez, O.M.I. 1864-1890
Diocese of New Westminster - established September 2, 1890: Bishops
Paul Durieu, O.M.I. 1890-1899
Augustine Dontenwell, O.M.I. 1899-1908
Archdiocese of VancouverArchbishops
Augustine Dontenwill, O.M.I. 1908
Neil McNeil 1910-1912
Timothy Casey 1912-1931
William Duke 1931-1964
Diocese of Kamloops - established December 22, 1945
| Bishops | |
| Edward Q. Jennings | 1946-1952 |
| Michael A Harrington | 1952-1973 |
| Adam Exner, O.M.I. (Archbishop of Vancouver) |
1974-1982 1992-2004 |
| Lawrence Sabatini, C.S. | 1982-1999 |
| David Monroe | 2002-2016 |
| Joseph P. Nguyen Episcopal Ordination and Installation |
August 25, 2016 |