| Formation | 1961 |
|---|---|
| Type | Registered Charity |
| Purpose | Genealogy, family history |
| Headquarters | Concord |
| Location | |
Region served | Ontario |
Official language | English |
Main organ | Board of Directors |
| Website | ogs |
The Ontario Genealogical Society, operating as Ontario Ancestors since early 2019, is the largest organization devoted to research into family history in Ontario, Canada.[1] Founded in 1961[2] as a Registered Charity corporation, the Society has grown by 2020 to include 30 local branches covering all of Ontario and five Special Interest Groups.