Seneca, Ontario (1861 census)
Seneca was a census subdivision in Ontario, recorded in the 1861 Census of Canada with a population of 4,577. The community is grounded to Wikidata Q115262795. The administrative centroid was at approximately 43.045°N, 79.851°W.
Population
In 1861, Seneca had a population of 4,577: 2,350 male and 2,227 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 3,636 |
| 1861 | 4,577 |
| 1871 | 3,282 |
| 1881 | 2,545 |
| 1891 | 2,231 |
| 1901 | 1,885 |
| 1911 | 1,712 |
| 1921 | 1,742 |
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.
Later boundary forms
- In a later year, this CSD contained Caledonia, Village, 1871 (1.4% of this CSD's polygon).
Neighbouring Census Subdivisions in 1861
In the 1861 census, Seneca shared boundaries with:
Full census record, 1861
The 1861 census recorded 176 measurements for this Census Subdivision across 6 categories.
Population & families (1861). This community's record includes 4,577 total population, 2,350 males, 2,227 females, Male members of the family who are present: 2,135, Female members of the family who are present: 2,059, 1,650 single males, 1,569 single females, 667 married males, 558 married females, 491 males attending school, 391 females attending school, Males present who are not members of the family: 215, Females present who are not members of the family: 168, 100 widowed females, 87 female births, 82 male births, 33 widowed males, 4 adult females unable to read or write, 4 adult males unable to read or write, 1 deaf and dumb males. (Source: 1861 Census of Canada, V1T5.)
Age structure (1861). This community's record includes 308 single males aged 10 to 15, 297 single males aged 20 to 30, 292 single females aged 10 to 15, 283 males aged 5 to 10, 267 females aged 5 to 10, 264 single females aged 15 to 20, 228 single males aged 15 to 20, 207 married males aged 30 to 40, 199 single females aged 20 to 30, 194 married females aged 20 to 30, 187 married males aged 40 to 50, 150 married females aged 30 to 40, 110 married males aged 20 to 30, 109 married females aged 40 to 50, 93 males aged 3 to 4, 92 married males aged 50 to 60, 86 females aged 1 to 2, 86 males aged 1 to 2, 85 females aged 2 to 3, 80 males aged 2 to 3, 79 females age 3 to 4, 74 females aged 4 to 5, 69 males aged 4 to 5, 54 single females aged 40 to 50, 54 single males aged 30 to 40, 52 married females aged 50 to 60, 50 single females aged 30 to 40, 44 married males aged 60 to 70, 36 single males aged 40 to 50, 32 married females aged 60 to 70, 23 widowed females aged 40 to 50, 23 widowed females aged 50 to 60, 21 married males aged 70 to 80, 17 single males aged 60 to 70, 16 single females aged 50 to 60, 15 single males aged 50 to 60, 15 widowed females aged 60 to 70, 15 widowed females aged 70 to 80, 13 married females aged 70 to 80, 12 single females aged 60 to 70, 12 widowed females aged 30 to 40, 10 widowed males aged 60 to 70, 8 widowed females aged 80 to 90, 8 widowed males aged 40 to 50, 8 widowed males aged 50 to 60, 7 married females aged 15 to 20, 4 single females aged 70 to 80, 4 widowed females aged 20 to 30, 4 widowed males aged 30 to 40, 2 married males aged 15 to 20, 2 married males aged 80 to 90, 2 married males aged 90 to 100, 2 single males aged 70 to 80, 2 widowed males aged 70 to 80, 1 married females aged 80 to 90, 1 widowed males aged 20 to 30. (Source: 1861 Census of Canada, V1T5.)
Ethnic origin (1861). This community's record includes 2,797 persons native to Canada, not of French origin, 831 persons originating in Ireland, 418 persons originating in England or Wales, 303 persons originating in Scotland, 137 persons originating in the United States, 47 persons originating in Germany or Holland, 13 persons originating in New Brunswick, 13 persons whose origin is unknown, 8 persons originating in Nova Scotia or Prince Edward Island, 4 French Canadians, 4 persons originating in Italy or Greece, 2 persons originating in Sweden or Norway, 1 persons originating in France, 1 persons originating in the West Indies. 1 persons originating in Guernsey, Jersey, or other British islands. (Source: 1861 Census of Canada, V1T1.)
Agriculture (1861). This community's record includes $927,069 value farms (dollars), $147,524 value all livestock, 87,036 pounds of homemade butter, 79,858 bushels of oats, $59,625 value horses aged over 3 years, 42,317 bushels of peas, 41,293 bushels of spring wheat, $38,312 value farm implements in dollars, 35,105 acres of land in farms, 30,495 bushels of potatoes, 28,955 bushels of barley, 20,206 acres of farmland under cultivation, 15,059 bushels of winter wheat, 14,899 acres of farmland in woodland or forest, 13,708 acres of farmland under crops, 10,275 pounds of wool produced on farms, 6,231 acres of farmland in pasture, 5,533 bushels of carrots, 5,375 bushels of buckwheat, 4,865 bushels of turnips, 3,578 tons of hay, 2,866 swine, 2,861 pounds of maple sugar, 2,844 sheep, 2,754 acres of spring wheat, 2,717 pounds of cheese produced on farms, 2,238 acres of oats, 2,143 acres of winter wheat, 2,053 acres of peas, $1,971 value garden and orchard crops, 1,298 milk cows, 1,286 calves and heifers, 1,262 gallons of cider, 1,127 acres of barley, 1,105 bushels of corn, 964 horses aged over 3 years, 875 bushels of mangel wurtzel, 830 barrels of pork, 790 pounds of flax or hemp, 341 occupants of farms, 320 bushels of rye, 290 acres of potatoes, 283 horses aged 3 years and under, 267 acres of farmland in gardens, 251 acres of buckwheat, 187 acres of farmland held by townspeople who are not farmers, 185 persons living on farms between 50 and 100 acres, 148 bulls, oxen, or steers, 113 bushels of beans, 100 barrels of beef, 75 persons living on farms between 20 and 50 acres, 60 bushels of clover, timothy, or other grass seed, 59 persons living on farms between 100 and 200 acres, 43 acres of rye, 33 acres of corn, 26 acres of turnips, 22 pounds of hops, 16 persons living on farms over 200 acres, 5 persons living on farms under 10 acres, 3 acres of mangel wurtzel, 1 persons living on farms between 10 and 20 acres. (Source: 1861 Census of Canada, V2T11.)
Manufacturing & industry (1861). This community's record includes $13,085 value carriages for pleasure (dollars), 4,508 yards of flannel, $3,370 value carriages for hire (dollars), 1,112 yards of fulled cloth, 219 carriages for pleasure, 38 carriages for hire. (Source: 1861 Census of Canada, V2T11.)
Deaths & mortality (1861). This community's record includes 29 total number of deaths, Deaths in the past year among females of all ages: 15, Deaths in the past year among males of all ages: 14, Deaths in the past year among females under age 1: 4, Deaths in the past year among males under age 1: 4, Deaths in the past year among males aged 30 to 40: 3, Deaths in the past year among males of unknown age: 3, Deaths in the past year among females aged 2 to 3: 2, Deaths in the past year among females of unknown age: 2, Deaths in the past year among females aged 1 to 2: 1, Deaths in the past year among females aged 20 to 30: 1, Deaths in the past year among females aged 3 to 4: 1, Deaths in the past year among females aged 4 to 5: 1, Deaths in the past year among females aged 5 to 10: 1, Deaths in the past year among females aged 70 to 80: 1, Deaths in the past year among males aged 1 to 2: 1, Deaths in the past year among males aged 10 to 15: 1, Deaths in the past year among males aged 4 to 5: 1. (Source: 1861 Census of Canada, V1T5.)
Identifiers
- TCP UID:
ON076009— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON115008— computed from spatial-overlap chains across census years - Wikidata: Q115262795
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). "Seneca, Ontario (1861 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/seneca-on076009-1861/.