Clapham, Quebec (1861 census)
Clapham was a census subdivision in Quebec, recorded in the 1861 Census of Canada with a population of 87. The community is grounded to Wikidata Q63242819. The administrative centroid was at approximately 45.960°N, 76.404°W.
Population
In 1861, Clapham had a population of 87.
Population trajectory across census years
| Year | Population |
|---|---|
| 1861 | 87 |
| 1881 | 192 |
| 1921 | 327 |
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 NO DATA, 1851 (0.2% share).
Later boundary forms
- In a later year, this CSD became part of Pikanock, 1871 (27.8% share).
Neighbouring Census Subdivisions in 1861
In the 1861 census, Clapham shared boundaries with:
Full census record, 1861
The 1861 census recorded 5 measurements for this Census Subdivision across 2 categories.
Population & families (1861). This community's record includes 87 total population. (Source: 1861 Census of Canada, V1T5.)
Ethnic origin (1861). This community's record includes 46 persons native to Canada, not of French origin, 30 persons originating in Ireland, 7 persons originating in Scotland, 4 persons originating in England or Wales. (Source: 1861 Census of Canada, V1T1.)
Identifiers
- TCP UID:
QC040021— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC079010— computed from spatial-overlap chains across census years - Wikidata: Q63242819
Sources
Census tabulations from the 1861 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). "Clapham, Quebec (1861 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/clapham-qc040021-1861/.