Lachine, C, Quebec (1921 census)

Lachine, C was a city in Quebec, recorded in the 1921 Census of Canada with a population of 15,404. The community is grounded to Wikidata Q1474128. The administrative centroid was at approximately 45.444°N, 73.690°W.

Population

In 1921, Lachine, C had a population of 15,404: 7,584 male and 7,820 female residents.

Population trajectory across census years

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 contained Lachine, C, 1911 (45.4% share).
• In an earlier year, this CSD contained Summerlea t-v, 1911 (25.1% share).

Neighbouring Census Subdivisions in 1921

In the 1921 census, Lachine, C shared boundaries with:

• Côte St. Luc, VL
• Dorval, T-V
• La Salle, T-V
• Présentation de la Ste. Vierge
• St. Pierre aux Liens, T-V

Full census record, 1921

The 1921 census recorded 42 measurements for this Census Subdivision across 3 categories.

Population & families (1921). This community's record includes 15,404 total population, 7,820 females in the population, 7,584 males in the population, 6,298 females born in Canada, 5,855 males born in Canada, 1,154 males born in the British Empire (excluding Canada), 1,036 females born in the British Empire (excluding Canada), 575 males born outside the British Empire, 486 females born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)

Ethnic origin (1921). This community's record includes 8,615 persons of French origin, 3,983 persons of British origin (English), 682 persons of British origin (Irish), 681 persons of British origin (Scotch / Scottish), 278 persons of Italian origin, 218 persons of Austrian origin, 81 persons of Russian origin, 80 persons of Polish origin, 51 persons of other European origin, 45 persons of Syrian origin, 33 persons of Scandinavian origin, 23 persons of German origin, 19 persons of Chinese or Japanese origin, 14 persons of Ukrainian origin, 11 persons of Belgian origin, 9 persons of British origin (other), 3 persons of Greek origin, 1 persons of Finnish origin. 536 persons recorded under the 1921 official census category "Hebrew" (origin/ethnicity); now described as Jewish origin. 24 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 9,810 Roman Catholics, 2,874 Anglicans (Church of England), 1,029 Presbyterians, 576 Methodists, 531 Jews, 346 Greek (Orthodox) Church adherents, 71 Baptists, 17 adherents of other sects (residual category in 1921), 17 persons whose religion or origin is unspecified, 12 adherents of Eastern religions, 7 Congregationalists, 4 Lutherans, 3 Protestants (general / no denomination specified). (Source: 1921 Census of Canada, V1T27; V1T38.)

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 1921, listed below by birth year. Each name links to that person's DCB entry.

Identifiers

• TCP UID: QC076012 — year-scoped identifier from the Canadian Census Subdivision boundary file
• Persistent place ID: PLACE_QC076012 — computed from spatial-overlap chains across census years
• Wikidata: Q1474128
• Wikipedia (EN): https://en.wikipedia.org/wiki/Lachine,_Quebec
• Wikipédia (FR): https://fr.wikipedia.org/wiki/Lachine

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). "Lachine, C, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/lachine-c-qc076012-1921/.