Middlesex North, Ontario

Middlesex North was a Census Division in Ontario as recorded in the 1871–1911 Canadian census series. It comprised the constituent Census Subdivisions listed below for each year it appears in the published volumes. ON federal electoral subdivision (North Middlesex); no Wikidata entity.

Population trajectory across census years

Aggregate population summed from constituent Census Subdivisions in this Census Division each year. Where the published 1851–1921 census volumes report a CD-level total, the figures should match within rounding; for cities split into wards, the per-CSD sum may diverge from the published CD aggregate.

Constituent Census Subdivisions by year

1871 census

• Adelaide wd (pop 2,909)
• Biddulph wd (pop 4,198)
• Lobo wd (pop 3,474)
• McGillivray wd (pop 4,658)
• Williams E (pop 3,427)
• Williams, E (pop 2,853)

1881 census

• Adelaide wd (pop 3,108)
• Ailsa Craig, VL wd (pop 872)
• Biddulph wd (pop 2,940)
• Lobo wd (pop 3,092)
• Lucan, VL (pop 976)
• McGillivray wd (pop 4,178)
• Parkhill, T-V wd (pop 1,539)
• Williams E (pop 2,195)
• Williams W-O (pop 2,339)

1891 census

• Ailsa Craig, VL wd (pop 731)
• Biddulph wd (pop 2,600)
• Exeter, Village wd (pop 1,809)
• Lucan, VL (pop 920)
• McGillivray wd (pop 3,503)
• Parkhill, T-V wd (pop 1,680)
• Stephen wd (pop 4,271)
• Williams E (pop 1,794)
• Williams W-O (pop 1,782)

1901 census

• Ailsa Craig, VL wd (pop 744)
• Biddulph wd (pop 2,263)
• Exeter, Village wd (pop 1,792)
• Lucan, VL (pop 848)
• McGillivray wd (pop 3,151)
• Parkhill, T-V wd (pop 1,430)
• Stephen wd (pop 4,172)
• Williams E (pop 1,587)
• Williams, West—Ouest (pop 1,468)

1911 census

• Adelaide wd (pop 1,919)
• Ailsa Craig, VL wd (pop 568)
• Biddulph wd (pop 1,942)
• Lobo wd (pop 2,327)
• Lucan, VL (pop 709)
• McGillivray wd (pop 2,509)
• Parkhill, T-V wd (pop 1,289)
• Williams E (pop 1,227)
• Williams W (pop 1,247)

Lineage

Boundary changes connecting this Census Division to others in the 1851–1921 series, derived from spatial polygon overlap across census-year boundary files.

• Split off from Middlesex in 1871.
• Merged into Middlesex in 1921.

Identifiers

• HGIS Canada CD ID: CD_ON_Middlesex_North

Sources

Census Division boundaries derived from the Canadian Peoples / TCP 1851–1921 Census Subdivision boundary files (NAME_CD_<year> attributes, hosted at the HGIS Lab, University of Saskatchewan). Constituent-CSD memberships use the P10_falls_within CIDOC-CRM relationships emitted by the spatial CIDOC builder. Wikidata grounding for Census Divisions performed via the HGIS Canada Knowledge Graph project's MCP-assisted disambiguation pipeline. See the About / Methodology page for the full data pipeline.