Ontario, Canada Genealogy
|Ontario Research Topics|
|Local Research Resources|
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 Ontario (disambiguation).
Ontario is a province in the East central region of Canada. It was formerly known as Upper Canada or Canada West.
Getting Started with Ontario Research
Links to articles on getting started with Ontario research.
Ontario Research Tools
Links to articles and websites that assist in Ontario research.
Historical Counties and Districts
Current Ontario Jurisdictions
The article, 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
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
Below are FamilySearch resources that can assist you in resourcing your family.