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Roman Catholic Diocese of Moosonee

Catholic ecclesiastical territory

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionOct 31, 2025
Entity authorityQ872562 ↗
Source-derived summary

The Diocese of Moosonee (Latin: Dioecesis Musonitana) was a Latin Catholic diocese that included part of the Province of Ontario.

As of 2016, the diocese contained 12 parishes with no active diocesan priests, 3 religious priests, and 7,450 Catholics. It also had 3 religious brothers.

On 3 December 2018, this Diocese merged with the Diocese of Hearst, to create the new Diocese of Hearst–Moosonee.

History

3 December 1938: Established as the Apostolic Vicariate of Baie de James from the Diocese of Haileybury and Apostolic Vicariate of Northern Ontario.

13 July 1967: Elevated as the Diocese of Moosonee.

31 May 2007: Lost territory to the Roman Catholic Diocese of Amos.

3 December 2018: Officially suppressed and its territory united into the Roman Catholic Diocese of Hearst to create the Roman Catholic Diocese of Hearst–Moosonee.

Diocesan bishops

The following is a list of the Vicars apostolic and bishops of Moosonee and their terms of service:

Henri Belleau, OMI (1939–1964)

Jules Leguerrier, OMI (1964–1992)

Vincent Cadieux, OMI (1991–2016)

From 2007 to 2016, he served as Bishop of Hearst as well, an appointment that joined the two dioceses only through him, in persona episcopi, but did not create a single diocesan administration.

Editorial summary

“Roman Catholic Diocese of Moosonee” enters the record as catholic ecclesiastical territory. Crown Archives preserves that source wording while asking what Roman, Catholic and Diocese can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2016, 2018, 1938, 1967—that can be checked directly. The authority record carries competing date values—1967-07-13, 1938-12-03—which should remain separate until their references and qualifiers are resolved. Its strongest next move is a source search built around Roman, Catholic and Diocese.
Editorial analysis

Why this record matters

“Roman Catholic Diocese of Moosonee” is worth following because a concise public description often conceals a longer documentary argument. Here, Roman, Catholic and Diocese provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Oct 31, 2025. The linked authority identifier is Q872562. 2 of 2 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 2016, 2018, 1938 and 1967.

Critical limits

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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Source & attribution

This entry incorporates text from “Roman Catholic Diocese of Moosonee” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.