Cardiff, Ontario (1921 census)
Cardiff was a census subdivision in Ontario, recorded in the 1921 Census of Canada with a population of 553. The community is grounded to Wikidata Q115261025. The administrative centroid was at approximately 44.990°N, 78.093°W.
Population
In 1921, Cardiff had a population of 553: 318 male and 235 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1881 | 497 |
| 1891 | 612 |
| 1901 | 698 |
| 1911 | 518 |
| 1921 | 553 |
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, Cardiff shared boundaries with:
Full census record, 1921
The 1921 census recorded 26 measurements for this Census Subdivision across 3 categories.
Population & families (1921). This community's record includes 553 total population, 318 males in the population, 292 males born in Canada, 235 females in the population, 219 females born in Canada, 23 males born in the British Empire (excluding Canada), 15 females born in the British Empire (excluding Canada), 3 males born outside the British Empire, 1 females born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 193 persons of British origin (Irish), 116 persons of British origin (English), 102 persons of British origin (Scotch / Scottish), 54 persons of Dutch origin, 51 persons of French origin, 25 persons of German origin, 9 persons of Scandinavian origin, 3 persons of British origin (other). (Source: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 166 Anglicans (Church of England), 161 Methodists, 125 Presbyterians, 62 Roman Catholics, 10 Baptists, 10 members of the Evangelical Association, 7 Brethren, 7 Mormons (Latter-day Saints), 5 Protestants (general / no denomination specified). (Source: 1921 Census of Canada, V1T38.)
Identifiers
- TCP UID:
ON116003— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON116003— computed from spatial-overlap chains across census years - Wikidata: Q115261025
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). "Cardiff, Ontario (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/cardiff-on116003-1921/.