Mersea, Ontario (1851 census)

Mersea was a census subdivision in Ontario, recorded in the 1851 Census of Canada with a population of 1,193. The community is grounded to Wikidata Q115262309. The administrative centroid was at approximately 42.082°N, 82.549°W.

Population

In 1851, Mersea had a population of 1,193: 628 male and 565 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).

Neighbouring Census Subdivisions in 1851

In the 1851 census, Mersea shared boundaries with:

• Gosfield
• Rochester
• Romney & Tilbury East
• Tilbury W-O

Full census record, 1851

The 1851 census recorded 135 measurements for this Census Subdivision across 6 categories.

Population & families (1851). This community's record includes 1,193 total population, 628 males, Male members of the family who are present: 578, 565 females, Female members of the family who are present: 543, 431 single males, 375 single females, 194 families, 185 married males, 183 married females, 112 females attending school, 106 males attending school, Males present who are not members of the family: 50, Females present who are not members of the family: 22, 21 male births, 15 female births, 12 widowed males, 7 widowed females. (Source: 1851 Census of Canada, V1T3.)

Age structure (1851). This community's record includes 102 males aged 5 to 10, 91 females aged 5 to 10, 78 single females aged 10 to 15, 74 single males aged 10 to 15, 71 single males aged 15 to 20, 64 married females aged 20 to 30, 62 single males aged 20 to 30, 57 married males aged 30 to 40, 53 single females aged 15 to 20, 50 married females aged 30 to 40, 49 married males aged 20 to 30, 37 females aged 1 to 2, 37 married females aged 40 to 50, 33 married males aged 40 to 50, 28 females aged 4 to 5, 27 males aged 2 to 3, 26 married males aged 50 to 60, 25 single females aged 20 to 30, 23 males aged 3 to 4, 21 females aged 2 to 3, 21 males aged 1 to 2, 21 males under age 1, 20 females age 3 to 4, 16 males aged 4 to 5, 15 females under age 1, 13 married females aged 50 to 60, 13 married males aged 60 to 70, 9 married females aged 15 to 20, 7 married females aged 60 to 70, 6 married males aged 70 to 80, 6 single males aged 30 to 40, 5 single males aged 40 to 50, 5 widowed males aged 50 to 60, 3 married females aged 70 to 80, 3 single females aged 30 to 40, 3 widowed females aged 40 to 50, 3 widowed males aged 20 to 30, 3 widowed males aged 70 to 80, 2 single males aged 60 to 70, 2 widowed females aged 60 to 70, 1 married males aged 15 to 20, 1 single females aged 40 to 50, 1 single females aged 50 to 60, 1 single females aged 60 to 70, 1 single males aged 50 to 60, 1 widowed females aged 20 to 30, 1 widowed females aged 50 to 60, 1 widowed males aged 40 to 50. (Source: 1851 Census of Canada, V1T3.)

Ethnic origin (1851). This community's record includes 885 persons native to Canada, not of French origin, 166 persons originating in England or Wales, 49 persons originating in the United States, 39 persons originating in Ireland, 38 French Canadians, 13 male negroes or coloured persons, 10 female negroes or coloured persons, 4 persons originating in Nova Scotia or Prince Edward Island, 3 persons originating in New Brunswick, 3 persons originating in Scotland, 2 persons originating in Sweden or Norway, 1 Indigenous males, I Indigenous females. (Source: 1851 Census of Canada, V1T1; V1T3.) The 1851 enumerator also recorded 4 persons originating in Jersey or other British islands — single-county tallies of limited cross-year comparability.

Agriculture (1851). This community's record includes 199,015 pounds of tobacco, 21,975 pounds of homemade butter, 16,893 acres of land in farms, 12,964 gallons of cider, 12,827 acres of farmland in woodland or forest, 10,697 bushels of wheat, 7,629 bushels of potatoes, 7,557 bushels of oats, 7,238 bushels of corn, 6,994 bushels of turnips, 4,747 pounds of wool produced on farms, 4,066 acres of farmland under cultivation, 3,005 acres of farmland under crops, 2,852 pounds of maple sugar, 1,857 pounds of cheese produced on farms, 1,663 sheep, 1,614 bushels of buckwheat, 1,013 swine, 966 acres of farmland in pasture, 808 bushels of peas, 735 acres of wheat, 706 tons of hay, 549 calves and heifers, 488 barrels of pork, 472 acres of corn, 442 milk cows, 373 bushels of rye, 355 acres of oats, 295 horses, 283 bulls, oxen, or steers, 200 barrels of beef, 166 occupants of farms, 139 acres of buckwheat, 110 persons living on farms between 50 and 100 acres, 95 acres of farmland in gardens or orchards, 85 acres of potatoes, 69 acres of turnips, 50 acres of peas, 31 acres of rye, 30 bushels of beans, 20 persons living on farms between 100 and 200 acres, 17 persons living on farms between 20 and 50 acres, 14 bushels of barley, 8 persons living on farms between 10 and 20 acres, 8 persons living on farms under 10 acres, 7 bushels of clover, timothy, or other grass seed, 3 persons living on farms over 200 acres, 1 acres of barley. (Source: 1851 Census of Canada, V2T6.)

Manufacturing & industry (1851). This community's record includes 3,256 yards of fulled cloth, 547 yards of flannel. (Source: 1851 Census of Canada, V2T6.)

Deaths & mortality (1851). This community's record includes 2 total number of deaths, Deaths in the past year among females aged 80 to 90: 1, Deaths in the past year among females of all ages: 1, Deaths in the past year among females of unknown age: 1, Deaths in the past year among males of all ages: 1. (Source: 1851 Census of Canada, V1T3.)

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 1851, listed below by birth year. Each name links to that person's DCB entry.

Identifiers

• TCP UID: ON008007 — year-scoped identifier from the Canadian Census Subdivision boundary file
• Persistent place ID: PLACE_ON110008_1881 — computed from spatial-overlap chains across census years
• Wikidata: Q115262309

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). "Mersea, Ontario (1851 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/mersea-on008007-1851/.