Ontario, Canada Genealogy

Canada   Ontario

Guide to Ontario ancestry, family history and genealogy birth records, marriage records, death records, census records, family history, and military records.


 * This article is about a province of central-east Canada, formerly known as Upper Canada and Canada West. For other uses, see the Ontario (disambiguation).

Historical Counties and Districts
Current Ontario Counties, Districts, and Municipalities shows the most recent government divisions at the county or equivalent level.

Extinct Counties and Districts:  Addington County· Bothwell District· Brant County· Cardwell District· Carleton County· Dufferin County· Dundas County· Durham County· Frontenac County· Glengarry County· Grenville County· Haldimand County· Halton County· Kent County· Leeds County· Lennox County· Lincoln County· Monck District· Niagara District· Norfolk County· Ontario County· Patricia County· Peel County· Prescott County· Prince Edward County· Russell County· Stormont County· Sudbury Regional Municipality· Suffolk County· Victoria County· Welland County· Waterloo County· Wentworth County· York County

Major Repositories
Library and Archives Canada· Archives of Ontario· Toronto Reference Library· University of Western Ontario D. B. Weldon Library· American-Canadian Genealogical Society· Ontario Births and Baptisms (FamilySearch Historical Records)

Migration Routes
Ottawa River· St. Lawrence River· Lake Champlain· Lake Erie· Lake Huron· Lake Ontario· Lake Superior· Addinton Road· Bobcageon Road· Halifax Road or Grand Communication Route· Hastings Road· King's Road· Monck Road· Nipissing Road· Opeongo Line· Provincial Road· Talbot Trail· Chambly Canal· Erie Canal· Soo Locks· Canadian Pacific Railway

Research Tools
A wiki article describing an online collection is found at:
 * Ontario Marriages Arranged by County-District A RootsWeb place-by-place marriage extract list. Includes a search engine to find each name.
 * Ontario Vital Records Index (FamilySearch Historical Records)
 * The Ontario Name Index


 * Ontario Births (FamilySearch Historical Records)
 * Ontario Deaths and Overseas Deaths (FamilySearch Historical Records)
 * Ontario Births and Baptisms (FamilySearch Historical Records)
 * Ontario Marriages, 1869-1927 (FamilySearch Historical Records)
 * Ontario Marriages (FamilySearch Historical Records)
 * Ontario Census 1861 (FamilySearch Historical Records)
 * Ontario, Roman Catholic Church Records (FamilySearch Historical Records)



Did you know?
Registration of vital statistics began officially in Ontario on 1 July 1869 as a provincial responsibility. A substantially complete registration was achieved by 1930.

Links to articles, subcategories and images under the Category

 * Category:Ontario

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