St. Catharines, C, Ontario (1921 census)
St. Catharines, C was a city in Ontario, recorded in the 1921 Census of Canada with a population of 19,881. The community is grounded to Wikidata Q126805. The administrative centroid was at approximately 43.163°N, 79.245°W.
Population
In 1921, St. Catharines, C had a population of 19,881: 9,928 male and 9,953 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1881 | 9,631 |
| 1891 | 9,170 |
| 1901 | 9,946 |
| 1921 | 19,881 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Boundary continuity (non-identical overlaps)
Spatial polygon overlaps with adjacent census years where the boundary shifted enough that the SAME_AS chain didn't merge them. These show where the territory came from and went to even when it isn't tracked as the same persistent place.
Earlier boundary forms
- In an earlier year, this CSD was contained in St. Catharines c, 1911 (14.9% share).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Catharines, C shared boundaries with:
Full census record, 1921
The 1921 census recorded 53 measurements for this Census Subdivision across 3 categories.
Population & families (1921). This community's record includes 19,881 total population, 9,953 females in the population, 9,928 males in the population, 6,867 females born in Canada, 6,549 males born in Canada, 2,410 males born in the British Empire (excluding Canada), 2,356 females born in the British Empire (excluding Canada), 969 males born outside the British Empire, 730 females born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 10,660 persons of British origin (English), 3,211 persons of British origin (Irish), 2,873 persons of British origin (Scotch / Scottish), 648 persons of French origin, 461 persons of Dutch origin, 381 persons of German origin, 255 persons of Italian origin, 214 persons of Polish origin, 139 persons of other European origin, 134 persons of British origin (other), 94 persons of Scandinavian origin, 83 persons of Chinese or Japanese origin, 74 persons of Russian origin, 52 persons of Austrian origin, 50 persons of other Asian origin, 33 persons of Finnish origin, 30 persons of Ukrainian origin, 19 persons of Greek origin, 17 persons of Syrian origin, 4 persons of Belgian origin. 225 persons recorded under the 1921 official census category "Hebrew" (origin/ethnicity); now described as Jewish origin. 154 persons recorded under the 1911/1921 official census category "Negro"; refers to people of African descent. Term is now considered offensive and is preserved here only as the historical source label. 38 persons recorded under the official census category "Indian"; corresponds to what is now described as Indigenous (First Nations; in northern enumerations also Inuit) origin. "Indian" was simultaneously a census category and the legal/administrative term under the Indian Act (1876). (Source: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 6,824 Anglicans (Church of England), 4,061 Methodists, 3,521 Roman Catholics, 3,415 Presbyterians, 1,006 Baptists, 224 Jews, 199 adherents of other sects (residual category in 1921), 166 Salvation Army adherents, 109 Lutherans, 104 Greek (Orthodox) Church adherents, 92 Disciples of Christ, 32 persons whose religion or origin is unspecified, 21 adherents of Eastern religions, 18 Brethren, 16 Congregationalists, 16 Protestants (general / no denomination specified), 15 Adventists, 9 members of the Evangelical Association, 9 Mennonites, 6 Christians (general / no denomination specified), 4 Mormons (Latter-day Saints). (Source: 1921 Census of Canada, V1T27; V1T38.)
People with Dictionary of Canadian Biography entries
The Dictionary of Canadian Biography includes biographies of 2 people connected to this place who were alive in 1921, listed below by birth year. Each name links to that person's DCB entry.
| Name | Lifespan | Connection |
|---|---|---|
| Mary Agnes Snively | 1847–1933 | born here |
| Reuben Wells Leonard | 1860–1930 | died here |
Identifiers
- TCP UID:
ON126009— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON126009— computed from spatial-overlap chains across census years - Wikidata: Q126805
- Wikipedia (EN): https://en.wikipedia.org/wiki/St._Catharines
- Wikipédia (FR): https://fr.wikipedia.org/wiki/Saint_Catharines
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. Catharines, C, Ontario (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/st-catharines-c-on126009-1921/.