Canada - Ontario

Ontario - General

1. Our Ontario
2. Ontario - Genealogy and History Links
3. Old Ontario Records   amazing amount of information available on this page for old parish records and data sources
4. Ontario Archives Collections

Ontario - Carleton (including Ottawa), Osgoode, Westmeath, etc.

1. Osgoode Township Historical Society - Newsletter Archive
2. Ottawa city and counties of Carleton and Russell directory(1866)
3. Illustrated historical atlas of the county of Carleton (including city of Ottawa) Ont. (1879)
4. Historical Society of Ottawa - Archived Newsletter
5. Huntley Township Historical Society - Newsletters
6. Rideau Township Historical Society - Newsletters
7. Virtual Walk - Rockland, Ontario - History
8. Carleton Place Local History - Blog
9. Historic Westmeath Township Project

Ontario - Kingston, Frontenac, Fredericksburg, etc.

1. Vintage Kingston   old photos of Kingston and area
2. South Fredericksburg Heritage Site (incl. Adolphustown)
3. Kingston City Directory - 1922
4. Illustrated historical atlas of the counties of Frontenac, Lennox and Addington, 1878
5. Vernon's farmers' and business directory for the Counties of Frontenac, Grenville, Hastings, Leeds, Lennox and Addington and Prince Edward. -- (1915)
6. Kingston Roots
7. Deseronto Archives

Ontario - Lanark

1. Lanark County GenWeb
2. Newspaper Clippings  great resource of transcribed newspaper clippings from personal scrapbooks.

Ontario - Leeds, Grenville, etc.

1. Farmers' and business directory : for the Counties of Carleton, Dundas, Glengarry, Grenville, Lanark, Leeds, Prescott, Grenville, Russell and Stormont. -- (1904)
2. Vernon's farmers' and business directory for the Counties of Frontenac, Grenville, Hastings, Leeds, Lennox and Addington and Prince Edward. -- (1915)
3. History of Leeds and Grenville Ontario, : from 1749 to 1879, with illustrations and biographical sketches of some of its prominent men and pioneers (1879)
4. 1889 Voters Lists for the Township of Oxford in North Leeds & Grenville
5. Leeds & 1000 Islands Historical Society   great resource, including archived newsletters

Ontario - Niagara Region

1. Historic Niagara

Ontario - Nipissing District

1. West Nipissing History
2. Northern Ontario Gravemarker Gallery
3. Centre for Community and Oral History - Nipissing University
4. Nipissing District GenWeb

Ontario - Simcoe

1. Our Stories Innisfil

Ontario - Temiskaming Districts

1. Virtual Museum of Canada - The Cobalt Adventure
2. Northern Ontario Gravemarker Gallery
3. Haileybury Heritage Museum

Ontario -  Toronto, York Region & Greater Toronto Area

1. Toronto City Directory - 1922

Ontario - Wentworth (including Ancaster, Hamilton, etc.)

1. Vernon's City of Hamilton Directory 1891 - 1892  (.pdf)
2. Vernon's City of Hamilton Directory 1892 - 1893  (.pdf)

Ontario -  York Region

1. Richmond Hill Voters List - 1879
2. Richmond Hill Voters List - 1894    (note, check the same for other Richmond Hill, Vaughan,, and Aurora Voters Lists from various years)
3. King Township Historical Society - Newspaper Archive