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Follow this link to learn how to trace your family history using the records held by the Archives of Ontario

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The Archives of Ontario brings education to life with resources and online lesson plans

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Explore the Archives' collections using our research guides and various Databases

At Centre Stage....

NOTE: The Archives of Ontario will be closed on Monday, August 4th for civic holiday.

NOTICE - Huronia Regional Centre Records

A settlement agreement reached in a class action lawsuit brought against Ontario by former residents of Huronia Regional Centre was approved in Superior Court on December 3, 2013. [More]

The McLean Brothers of Sunderland,
Ontario - Real Genealogy Stories WWI
Exhibit in the Archives Reading Room

Detail of cigarette trading card from Mary Murray Hendrie’s 
scrapbook, [1880-1893]
Discover the remarkable story of six brothers who enlisted together to take part in the Canadian war efforts. In partnership with guest curator Paul Hector this exhibit uses AO genealogical records to bring a very unique WWI family story to life.
We lend travelling exhibits to institutions throughout Ontario – free of charge. Our newest exhibit, Dear Sadie – Love, Lives, and Remembrance from Ontario’s First World War, recounts the stories of four Ontarians through their extraordinary correspondence.[
Good news for genealogists! You can now access over 3,100 digitized patent plans on the Archives of Ontario’s Visual Database. [More]
Grab your camera and get involved on Flickr! Recreate our fascinating historical photographs of neighbourhoods and landmarks across the province. We’ll provide the “then”… you provide the “now”! To participate, click here.