Ontario Genealogy Societies

British Isles Family History Society of Greater Ottawa
Etobicoke Genealogy Group
The Royal Heraldry Society of Canada - Ottawa Branch
Jewish Genealogical Society of Canada (Toronto)
Kawartha Ancestral Research Association
Kingston Historical Society
Kingston Branch, Ontario Genealogical Society
Harrow Early Immigrant Research Society
Ontario Genealogical Society
Puslinch Historical Society
South Fredericksburgh Heritage Committee includes 1851 census, early settlers, parish registers
United Empire Loyalists' Association of Canada - St Lawrence Branch
United Empire Loyalists' Association of Canada London and Western Ontario Branch
St. Joseph Island Historical Society has parish registers, censuses, cemeteries online
West Nissouri Historical Society