Mason, Ontario (1921–1921)

Mason was a census subdivision in Ontario, recorded in 1 census between 1921 and 1921. This place is grounded to Wikidata Q115262168, so it can be queried as a single entity even when its boundaries or census name varied across years.

Population trajectory across census years

Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).

Boundary lineage

Successors

• later split into Cosby & Mason in 1921

Identifiers

• Persistent place ID: PLACE_ON146085 — assigned to this enduring entity by chaining year-scoped TCP UIDs through spatial overlap
• Wikidata: Q115262168

Sources

Census tabulations from the 1851–1921 Census of Canada series, transcribed and georeferenced by the Canadian Peoples / TCP project. Each year's detail page (linked above) cites the specific source table.