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Metropolitan see Ottawa, Canada

Archdiocese of Ottawa–Cornwall

Ottavien(sis)-Cornubien(sis)

Latin Church

The Archdiocese of Ottawa-Cornwall is a Latin Church metropolitan archdiocese formed in 2020 by the amalgamation of the Archdiocese of Ottawa (founded 1847 as Bytown, elevated 1886) and the Diocese of Alexandria-Cornwall. Its suffragan sees are Hearst-Moosonee, Pembroke, and Timmins.

On the map

Esri
Ottawa, Canada, drawn to the town rather than to the door: the register holds no verified address for its cathedral.

Every see on one map: browse the dioceses. Churches with recorded hours: find Mass times.

Established
1847
Catholics
472,000
Priests
129
Territory
7,108 km²

Parishes and churches

131 listed churches in our records. Open a parish for Mass times, confession, directions and sources where recorded.

This is our recorded coverage, not an official diocesan parish count. Confirm service times with the parish before travelling.

The bishop

Archbishop
Marcel Damphousse
Born
19 March 1963
Birthplace
Saint Joseph

Explore the ministry of the bishop.

The cathedral

Notre-Dame Cathedral Basilica stands in Ottawa, the church that holds the cathedra from which this see takes its name.

Its co-cathedral is St. Finnan's Cathedral, Alexandria.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

History

In the Province of Ontario, the Catholic Archdiocese of Ottawa-Cornwall (Latin: Archidioecesis Ottaviensis-Cornubiensis, French: L'Archidiocèse d'Ottawa-Cornwall) serves as the metropolitan diocese of the ecclesiastical province of Ottawa-Cornwall, which takes in the suffragan dioceses of Hearst-Moosonee, Pembroke, and Timmins. Figures from 2023 record 129 parishes, 129 diocesan priests, 103 religious priests, and 472,000 Catholics, together with 379 women religious, 110 religious brothers, and 100 permanent deacons.