Diocese of Saint-Jean–Longueuil
Sancti Ioannis-Longolien(sis)
Suffragan diocese · Latin Church · Saint-Jean–Longueuil, Canada
The Diocese of Saint-Jean-Longueuil is a Latin rite see south of Montreal, erected in 1933 as the Diocese of Saint-Jean-de-Quebec and renamed in 1982. Bishop Claude Hamelin leads it, with Martin Laliberte serving as coadjutor bishop since 2026.
The see
- Rank
- Suffragan diocese
- Tradition
- Latin Church
- Erected
- 1933
- Latin
- Sancti Ioannis-Longolien(sis)
- Patron
- John the Evangelist
- Annuario code
- 001002814
The see in figures
- Catholics
- 634,425
- Population
- 762,240
- Catholic shareof the people living within its bounds
- 83.2%
- Priests
- 60
- Catholics per priest
- 10,574
- Extent
- 2,078 km²
- Catholics per km²
- 305
Figures as recorded in the register, from the Annuario Pontificio and the see's own published statements. Shares and ratios are computed from the two figures shown beside them.
The bishop
- Bishop
- Claude Hamelin
- Born
- 10 July 1952
- Birthplace
- Sherington
A see whose chair stands empty is recorded as vacant rather than filled with a guess. On what a bishop is, see the bishop.
The cathedral
Cathedral of Saint-Jean-l'Evangeliste stands in Saint-Jean–Longueuil, the church that holds the cathedra from which this see takes its name.
Its co-cathedral is Co-Cathedral of Saint-Antoine-de-Padoue, Longueuil.
On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.
The province of Montreal
A suffragan of Archdiocese of Montreal.
The sees of this province:
- Diocese of JolietteJoliette
- Diocese of ValleyfieldValleyfield
On how the Church is ordered into provinces, see the diocese.
History
In southeastern, mostly francophone Québec, the Diocese of Saint-Jean-Longueuil (Latin: Dioecesis Sancti Ioannis-Longoliensis) answers to the Metropolitan Archdiocese of Montréal as a suffragan. Its cathedral, the Cathédrale Saint-Jean-l’Évangéliste in Saint-Jean-sur-Richelieu, honors John the Evangelist; a co-cathedral in Longueuil is dedicated to Saint Anthony of Padua, and Varennes holds a minor basilica, the Basilique Sainte-Anne-de-Varennes.
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The see's own website · Wikipedia
Compiled from the published statements of the see and the references of the Holy See, among them the Annuario Pontificio. Corrections: hello@catholicintelligence.com.