Thorold, Ontario (1871 census)
Thorold was a census subdivision in Ontario, recorded in the 1871 Census of Canada with a population of 2,501. The community is grounded to Wikidata Q448120. The administrative centroid was at approximately 43.064°N, 79.235°W.
Population
In 1871, Thorold had a population of 2,501: 1,294 male and 1,207 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1861 | 2,837 |
| 1871 | 2,501 |
| 1881 | 2,456 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1871
In the 1871 census, Thorold shared boundaries with:
Full census record, 1871
The 1871 census recorded 18 measurements for this Census Subdivision across 4 categories.
Population & families (1871). This community's record includes 2,501 total population, 1,294 males, 1,207 females, 844 married persons, 493 families, 423 married females, 421 married males, 100 widowed persons, 74 widowed females, 26 widowed males. (Source: 1871 Census of Canada, V1T1.)
Age structure (1871). This community's record includes 1,557 single persons under 18, 847 single males under 18, 710 single females under 18. (Source: 1871 Census of Canada, V1T1.)
Buildings & housing (1871). This community's record includes 474 occupied houses, 469 inhabited houses, 21 uninhabited houses, 5 dwellings that are temporary shanties. (Source: 1871 Census of Canada, V1T1.)
Agriculture (1871). This community's record includes 24,876 total area (acres). (Source: 1871 Census of Canada, V1T1.)
People with Dictionary of Canadian Biography entries
The Dictionary of Canadian Biography includes biographies of 1 person connected to this place who were alive in 1871, listed below by birth year. Each name links to that person's DCB entry.
| Name | Lifespan | Connection |
|---|---|---|
| Jacob Keefer | 1800–1874 | died here |
Identifiers
- TCP UID:
ON019008— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON142008— computed from spatial-overlap chains across census years - Wikidata: Q448120
- Wikipedia (EN): https://en.wikipedia.org/wiki/Thorold
- Wikipédia (FR): https://fr.wikipedia.org/wiki/Thorold_(Ontario)
Sources
Census tabulations from the 1871 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). "Thorold, Ontario (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/thorold-on019008-1871/.