The Ontario Genealogical Society, a not-for-profit organization founded in 1961, is the largest genealogical 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.
We have 34 Branches and Special Interest Groups (SIGs) across the province of Ontario. Learn more about Branches/SIGs or learn how to join.
Grow our Family
Any member of the Society renewing their membership can receive a 50% discount by registering a new member with them.