St. Théodore de Chertsey, Quebec (1921 census)
St. Théodore de Chertsey was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 806. The community is grounded to Wikidata Q112912812. The administrative centroid was at approximately 46.144°N, 73.881°W.
Population
In 1921, St. Théodore de Chertsey had a population of 806: 444 male and 362 female residents. Population density was 7.8 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1871 | 1,619 |
| 1881 | 1,626 |
| 1891 | 1,169 |
| 1901 | 1,158 |
| 1911 | 990 |
| 1921 | 806 |
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. Théodore de Chertsey shared boundaries with:
- Other parts—Autres parties
- St. Alphonse
- St. Calixte
- St. Côme
- St. Emile (Wexford)
- St. Patrice de Rawdon
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 | 362 |
| POP M | 444 |
| POP TOT | 806 |
Other recorded variables (13 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 10 |
| BRIT BORN F | 3 |
| BRIT BORN M | 5 |
| BRIT ENG | 16 |
| BRIT IRISH | 9 |
| CAN BORN F | 355 |
| CAN BORN M | 433 |
| EUR BELGIAN | 1 |
| EUR FRENCH | 774 |
| EUR POLISH | 6 |
| FOREIGN BORN F | 4 |
| FOREIGN BORN M | 6 |
| ROMAN CATHOLICS | 796 |
Identifiers
- TCP UID:
QC073011— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC073011— computed from spatial-overlap chains across census years - Wikidata: Q112912812
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. Théodore de Chertsey, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-th-odore-de-chertsey-qc073011-1921/.