Durham—Northumberland
former federal electoral district in Ontario, Canada (1979–1988)
Durham—Northumberland is a former federal electoral district represented in the House of Commons of Canada from 1979 to 1988. It was located in the province of Ontario. This riding was created in 1976 from parts of Northumberland—Durham and Ontario ridings.
It consisted of:
in the Regional Municipality of Durham: the Township of Scugog and the Town of Newcastle;
in the County of Northumberland: the Township of Hope, the Town of Port Hope, the Town of Cobourg, and the part of the Township of Hamilton lying west of the Town of Cobourg and south of Highway 401;
in the County of Peterborough: the Township of Cavan; and
in the County of Victoria: the Township of Manvers.
The electoral district was abolished in 1987 when it was redistributed between Durham, Northumberland and Victoria—Haliburton ridings.
The public source identifies “Durham—Northumberland” as former federal electoral district in Ontario, Canada (1979–1988). This brief keeps that definition visible, then builds a research path around Durham, Northumberland and former.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Durham—Northumberland”, the useful work is to connect “former federal electoral district in Ontario, Canada (1979–1988)” to the records capable of establishing context and consequence.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated May 2, 2025. The linked authority identifier is Q5316610. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1979, 1988, 1976 and 1987.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Durham—Northumberland”, its source revision and the description used here.
- Expand the search: follow Durham—Northumberland primary sources, Durham—Northumberland archive and Durham research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Durham—Northumberland”?
- Which earlier names or jurisdictions may reveal additional records?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Durham—Northumberland” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.