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 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 density was 47.8 people per square mile.
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 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 338 |
| POP M | 397 |
| POP TOT | 735 |
Other recorded variables (13 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 4 |
| BAPTISTS | 5 |
| BRIT BORN F | 1 |
| BRIT BORN M | 3 |
| BRIT ENG | 9 |
| BRIT SCOTCH | 1 |
| CAN BORN F | 334 |
| CAN BORN M | 392 |
| EUR FRENCH | 725 |
| FOREIGN BORN F | 3 |
| FOREIGN BORN M | 2 |
| PRESBYTERIANS | 1 |
| ROMAN CATHOLICS | 725 |
Identifiers
- TCP UID:
QC085008— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC085008— computed from spatial-overlap chains across census years - Wikidata: not yet grounded. This page covers a place whose persistent identity has not yet been linked to a Wikidata entity. Identification is via TCP UID and spatial polygon only.
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/.