St. Mathias, Quebec (1921 census)
St. Mathias was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 735. The community is grounded to Wikidata Q112912574. The administrative centroid was at approximately 45.486°N, 73.229°W.
Population
In 1921, St. Mathias had a population of 735: 397 male and 338 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 1,757 |
| 1861 | 1,829 |
| 1871 | 939 |
| 1881 | 853 |
| 1891 | 725 |
| 1901 | 657 |
| 1911 | 722 |
| 1921 | 735 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Mathias shared boundaries with:
Full census record, 1921
The 1921 census recorded 16 measurements for this Census Subdivision across 3 categories.
Population & families (1921). This community's record includes 735 total population, 397 males in the population, 392 males born in Canada, 338 females in the population, 334 females born in Canada, 3 females born outside the British Empire, 3 males born in the British Empire (excluding Canada), 2 males born outside the British Empire, 1 females born in the British Empire (excluding Canada). (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 725 persons of French origin, 9 persons of British origin (English), 1 persons of British origin (Scotch / Scottish). (Source: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 725 Roman Catholics, 5 Baptists, 4 Anglicans (Church of England), 1 Presbyterians. (Source: 1921 Census of Canada, V1T38.)
Identifiers
- TCP UID:
QC085008— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC085008_1881— computed from spatial-overlap chains across census years - Wikidata: Q112912574
Sources
Census tabulations from the 1921 Census of Canada, transcribed and georeferenced by the Canadian Peoples / TCP project, hosted at the HGIS Lab, University of Saskatchewan. Persistent place identity computed from spatial-overlap chains across all available census years (1851–1921). Identity grounding to Wikidata performed via the HGIS Canada Knowledge Graph project's MCP-assisted disambiguation pipeline. See the About / Methodology page for the full data pipeline.
Cite this page
Clifford, J. (2026). "St. Mathias, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-mathias-qc085008-1921/.