The Ontario Genealogical Society, a Canadian Registered Charity founded in 1961, is the largest member-supported family history society in Canada. Our Mission is to encourage, bring together and assist those interested in the pursuit of family history and to preserve our Ontario genealogical heritage.

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Join OGS at RootsTech 2019

OGS is pleased to be sponsoring this tour to RootsTech 2019 – Learn more here!

Meet Our Partner Societies

New York, New England, NextGen – Read about our partner societies, their resources, and available member discounts

OGS Branches & SIGs

Our 34 Branches and Special Interest Groups have a formidable collection of indexes, finding aids and local data. CLICK HERE for more information

Partial Year Membership – $37. Available Now!

Join OGS Today for $37 Did you know – Effective June 1, you can subscribe for a partial year OGS membership for only $37! Regularly $63 for a full year membership, a partial year membership… Keep reading

Conference 2018 Photos

  We present random photos of Conference 2018, Guelph, Ontario, June 1-3, 2018. If you would like to add a photo to this slide show, email it to ConferencePhotos@ogs.on.ca TIP: to pause the slide slow,… Keep reading

Durham Day of Learning – Deadline Extended

S-t-r-e-t-c-h-e-d Out Deadline for Lunch at Durham Region Branch’s “Day of Learning” Nancy Trimble, Chair, Durham Region Branch Originally, we stated that lunch would be included with your registration if you registered by June 8th,… Keep reading

What New Genealogical Strategy or Resource Came Home With You From The 2018 OGS Conference?

Professor Jonathon Vance’s presentation “Who Was the Canadian Soldier of the First World War?” definitely opened my eyes as to the information that might not be trustworthy in the soldiers’ records found in the Canadian… Keep reading

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