Covid-19 - currently closed to the public Details here.

Northumberland County looks after the historical archives for Cobourg.  They are currently located at the Cobourg Public Library at 200 Ontario Street (corner of Albert Street and Ontario Street).

They have a good collection of material and have two staff:

They can be reached at This email address is being protected from spambots. You need JavaScript enabled to view it. or 905-372-0677

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They offer:

You can research Cobourg History but genealogical research is best done at the Cobourg Library (same building – more on the Library here).

The archives will work with educators and offers personalized educational programs targeted towards the specific needs of students.

A new building is planned (currently under construction) when the services will be expanded to include:

Details on the planned upgrade are provided here.


Regular hours (September to May): Tuesday and Wednesday 1:00 p.m. to 4:30 p.m.
Summer hours (June to August): Monday to Thursday 1:00 p.m. to 4:30 p.m.
Closures: The Archives and Museum is closed on all statutory holidays.