Blenheim, Ontario (1851 census)
Blenheim was a census subdivision in Ontario, recorded in the 1851 Census of Canada with a population of 4,995. The community is grounded to Wikidata Q115260874. The administrative centroid was at approximately 43.249°N, 80.557°W.
Population
In 1851, Blenheim had a population of 4,995: 2,660 male and 2,335 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 4,995 |
| 1861 | 6,968 |
| 1871 | 6,398 |
| 1881 | 5,937 |
| 1891 | 5,606 |
| 1901 | 4,679 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1851
In the 1851 census, Blenheim shared boundaries with:
Full census record, 1851
The 1851 census recorded 202 measurements for this Census Subdivision across 6 categories.
Population & families (1851). This community's record includes 4,995 total population, 2,660 males, Male members of the family who are present: 2,366, 2,335 females, Female members of the family who are present: 2,188, 1,784 single males, 1,440 single females, 842 married females, 831 married males, 805 families, 481 males attending school, 395 females attending school, Males present who are not members of the family: 294, Females present who are not members of the family: 147, 109 male births, 106 female births, 53 widowed females, 45 widowed males, Male members of the family who are present: 19, Female members of the family who are absent: 16, 1 blind males, 1 deaf and dumb males, 1 lunatic females. (Source: 1851 Census of Canada, V1T3.)
Age structure (1851). This community's record includes 406 females aged 5 to 10, 386 males aged 5 to 10, 331 single males aged 10 to 15, 328 married females aged 20 to 30, 284 single females aged 10 to 15, 277 married males aged 30 to 40, 263 single males aged 20 to 30, 247 single males aged 15 to 20, 229 married females aged 30 to 40, 198 married males aged 20 to 30, 196 single females aged 15 to 20, 171 married males aged 40 to 50, 127 married females aged 40 to 50, 125 males under age 1, 123 females under age 1, 116 males aged 1 to 2, 101 females aged 1 to 2, 98 married males aged 50 to 60, 91 females aged 2 to 3, 89 males aged 2 to 3, 89 males aged 3 to 4, 82 married females aged 50 to 60, 80 males aged 4 to 5, 78 females aged 4 to 5, 76 females age 3 to 4, 65 single females aged 20 to 30, 45 married males aged 60 to 70, 40 married females aged 15 to 20, 33 single males aged 30 to 40, 32 married males aged 70 to 80, 29 married females aged 60 to 70, 17 widowed females aged 60 to 70, 15 widowed females aged 50 to 60, 14 single males aged 40 to 50, 10 widowed males aged 40 to 50, 9 single males aged 50 to 60, 9 widowed males aged 50 to 60, 8 single females aged 30 to 40, 8 widowed males aged 60 to 70, 7 married females aged 70 to 80, 7 widowed females aged 40 to 50, 6 single females aged 40 to 50, 6 widowed females aged 30 to 40, 6 widowed males aged 70 to 80, 5 married males aged 80 to 90, 5 widowed males aged 20 to 30, 4 married males aged 15 to 20, 4 widowed males aged 30 to 40, 3 single females aged 50 to 60, 3 widowed females aged 20 to 30, 3 widowed females aged 70 to 80, 3 widowed males aged 80 to 90, 2 single females aged 60 to 70, 2 single males aged 60 to 70, 2 widowed females aged 80 to 90, 1 married males aged 90 to 100, 1 single females aged 70 to 80. (Source: 1851 Census of Canada, V1T3.)
Ethnic origin (1851). This community's record includes 2,847 persons native to Canada, not of French origin, 666 persons originating in England or Wales, 600 persons originating in Scotland, 287 persons originating in the United States, 268 persons originating in Ireland, 200 persons originating in New Brunswick, 84 persons originating in Germany or Holland, 60 male negroes or coloured persons, 41 female negroes or coloured persons, 19 persons originating in Nova Scotia or Prince Edward Island, 17 Indigenous males, 10 Indigenous females, 8 persons whose origin is unknown, 6 persons originating in Switzerland, 4 persons originating in France, 2 French Canadians, 2 persons originating in Spain or Portugal, 1 persons originating in the West Indies. (Source: 1851 Census of Canada, V1T1; V1T3.) The 1851 enumerator also recorded 1 persons originating in Jersey or other British islands — single-county tallies of limited cross-year comparability.
Agriculture (1851). This community's record includes 153,789 bushels of wheat, 94,275 pounds of homemade butter, 87,633 bushels of oats, 51,479 acres of land in farms, 40,603 bushels of turnips, 31,832 pounds of maple sugar, 26,603 acres of farmland under cultivation, 25,227 bushels of potatoes, 24,876 acres of farmland in woodland or forest, 18,004 pounds of wool produced on farms, 15,740 acres of farmland under crops, 15,575 pounds of cheese produced on farms, 14,810 bushels of peas, 10,578 acres of farmland in pasture, 7,037 acres of wheat, 6,567 bushels of corn, 6,438 sheep, 3,924 swine, 3,447 tons of hay, 2,672 acres of oats, 1,971 barrels of pork, 1,868 bushels of buckwheat, 1,662 bushels of barley, 1,585 milk cows, 1,509 bushels of rye, 1,424 bulls, oxen, or steers, 1,253 calves and heifers, 1,158 horses, 1,066 gallons of cider, 912 acres of peas, 608 barrels of beef, 549 occupants of farms, 474 acres of corn, 303 acres of potatoes, 285 acres of farmland in gardens or orchards, 258 persons living on farms between 50 and 100 acres, 200 acres of turnips, 200 pounds of tobacco, 152 persons living on farms between 20 and 50 acres, 133 acres of buckwheat, 115 bushels of beans, 106 acres of rye, 90 persons living on farms between 100 and 200 acres, 78 acres of barley, 73 pounds of flax or hemp, 48 bushels of clover, timothy, or other grass seed, 29 persons living on farms under 10 acres, 11 persons living on farms over 200 acres, 9 persons living on farms between 10 and 20 acres. (Source: 1851 Census of Canada, V2T6.)
Manufacturing & industry (1851). This community's record includes 7,544 yards of flannel, $3,850 value capital returned by saw mills (pounds sterling), 2,337 yards of fulled cloth, 1,250 tanneries returning capital, $750 value capital returned by grist mills (pounds sterling), 300 carding and fulling mills returning capital, 150 woollen factories returning capital, 37 employees in saw mills, 11 employees in tanneries, 10 saw mills, 10 saw mills powered by water, 10 saw mills reporting annual production, 9 saw mills returning capital, 4 employees in woollen factories, 3 employees in carding and fulling mills, 3 tanneries, 3 tanneries reporting, 2 grist mills, 2 grist mills powered by water, 2 grist mills reporting annual production, 2 grist mills returning capital, 1 carding and fulling mills, 1 carding and fulling mills reporting, 1 woollen factories, 1 woollen factories reporting. 4,080,000 feet of lumber produced per year by saw mills reporting annual production. 9,000 barrels of flour produced per year by grist mills reporting annual production. $1,550 value leather produced in tanneries in the past year (pounds sterling). (Source: 1851 Census of Canada, V2T6; V2T7.)
Deaths & mortality (1851). This community's record includes 58 total number of deaths, Deaths in the past year among males of all ages: 33, Deaths in the past year among females of all ages: 25, Deaths in the past year among females under age 1: 7, Deaths in the past year among males under age 1: 7, Deaths in the past year among females aged 5 to 10: 5, Deaths in the past year among males aged 5 to 10: 5, Deaths in the past year among males aged 1 to 2: 4, Deaths in the past year among males aged 60 to 70: 4, Deaths in the past year among males aged 2 to 3: 3, Deaths in the past year among males aged 20 to 30: 3, Deaths in the past year among females aged 1 to 2: 2, Deaths in the past year among females aged 2 to 3: 2, Deaths in the past year among females aged 30 to 40: 2, Deaths in the past year among females aged 4 to 5: 2, Deaths in the past year among males aged 30 to 40: 2, Deaths in the past year among females aged 20 to 30: 1, Deaths in the past year among females aged 40 to 50: 1, Deaths in the past year among females aged 50 to 60: 1, Deaths in the past year among females aged 60 to 70: 1, Deaths in the past year among females aged 70 to 80: 1, Deaths in the past year among males age 3 to 4: 1, Deaths in the past year among males aged 10 to 15: 1, Deaths in the past year among males aged 40 to 50: 1, Deaths in the past year among males aged 50 to 60: 1, Deaths in the past year among males aged 70 to 80: 1. (Source: 1851 Census of Canada, V1T3.)
Identifiers
- TCP UID:
ON027008— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON127003— computed from spatial-overlap chains across census years - Wikidata: Q115260874
Sources
Census tabulations from the 1851 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). "Blenheim, Ontario (1851 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/blenheim-on027008-1851/.