These resources are organized by location. Understanding how the boundaries have shifted over the years is important in knowing where to look for records today. For more information, see History of Durham Region Boundaries.
Canada
- Censuses – See our page on Canadian Censuses
- Canadiana
- Héritage Canadiana
Ontario
- Ontario Genealogical Society – Our parent society, housing branches for all of Ontario
- OnLand – Ontario Land Registry
- FamilySearch Land Registers
- Ontario Newspapers List – List of digitized newspapers and where to access them
- Trent University Archives
- Wesleyan Methodist Baptismal Registers
- Bill Martin’s Early Ontario Site
- https://www.ontariogenealogy.com/
- Durham Region Area Archives Group
- https://search.ourontario.ca/
- https://digitalarchiveontario.ca/
Historical Durham County
- Durham County Directories
- Censuses and Assessment Rolls
- Newcastle District assessment records fonds
- United Counties of Northumberland and Durham. Assessment and collector’s rolls fonds
- United Counties of Northumberland and Durham. Assessment and collector’s rolls fonds. 1977 additions
- United Counties of Northumberland and Durham. Court Records fonds
- United Counties of Northumberland and Durham. Vital Statistics fonds
- United Counties of Northumberland and Durham. Vital Statistics fonds. Additions
- Upper Canada. Newcastle District. Assessment and census rolls, poll books and voter’s lists
- Newcastle Village and District Historical Society
- Bowmanville and Orono Newspapers
- https://claringtonmuseums.com/
- https://www.clarington-library.on.ca/localhistory