Canada

1921 Census of Canada ($ or access at local library or Family History Center) 
Census of the Northwest Provinces, 1906 Census for the provinces of Alberta, Saskatchewan and Manitoba, searchable by name, age and keyword
Archives of Canada Census, Vital Records, Immigration, Land, Loyalist, Military, Naturalization records and resource guides
Automated Genenealogy Census transcriptions with links to images at Library and Archives Canada
Canadian County Atlas Digital Project Searchable database of property owners’ names from township maps in county atlases, from McGill University
Canadian Naturalization 1915-1951 database of people who became naturlized subjects with roots that aren’t British from the Libraries and Archives Canada.
Canadiana more than 21 million pages of Canadian historic records with 11 different collections including one on genealogy and local history
Drouin Collection $ Searchable parish registers for the Province of Quebec, some from the Province of Ontario, the Maritimes, Acadia, some notarial acts and hundreds of other documents. Requires ancestry world deluxe membership.
Can genealogy Resource guide for Canada research
Canada GenWeb gateway to regional sites for each of the provinces and territories, historical maps, immigrants, family bibles and more
Canadian Health Obituaries Index File Osler Library at McGill University’s Index of Canadian Death Records from 1852 to 2000
The Canadian Immigrant Experience
The Canadian Museum of Civilization collection mail order catalogues from 1880 to 1975, a great resource for dating an old photo based on the clothing
Canadian passenger lists from 1865 to 1922 from the Canadian Genealogy Centre, a part of Library and Archives Canada
Canadian Passenger Lists from 1925 to 1935 digitized collection from Library and Archives Canada listing all ship passengers for the period 1925 to 1935 for most of the major Canadian port cities (North Sydney, Halifax, Saint John, Quebec City, Montreal, Vancouver and Victoria),organized by port and arrival date
The Global Gazette where to get vital records for each province
Great Lakes Maritime History includes both Canadian provinces and U.S. states that border the Great Lakes. Records include biographies, the 1930 census of merchant seamen, list of shipwrecks, lighthouses, obituaries and storms.
Immigrants to Canada Surviving lists of immigrants arriving in Canada before 1865
Immigrants to Canada links to emigration and immigration reports on nineteenth century immigrants to Eastern Canada
Library and Archives Canada site with censuses, land grants, WWI service files, immigrants at Grosse-Ile and divorce records (1841 to 1968)
North American Forts 1526-1956 catalogue and gazetteer of forts and fortresses, trading posts, camps, stockades, blockhouses, garrisons, arsenals, and seacoast batteries in the United States and Canada and Associated Territories
the Shamrock and the Maple Leaf Research your Irish ancestors in Canada
That’s My Family search tool connecting to federal, territorial and provincial archives, strong in French Canadian research
Western Canada Directories Links to Alberta, British Columbia, Manitoba and Saskatchewan Directories
Upper Canada Genealogy Upper Canada, Canada West and Ontario record indexes, very useful if you don’t know exactly where your ancestor lived within the region. Original records can be ordered for a fee.
Census Online
Censuses from 1825 to 1921, links to online census records for all provinces, from the Library and Archives Canada, includes research aids, links to directories and information on census returns on microfilm

Alberta

Glenbow Museum, Calgary documents of the history of western Canada including CPR Land Sales Catalog and Newspaper Clippings Catalogue

British Columbia

1901 British Columbia Census  Free index from the BC Genealogical Society
British Columbia Archives vital records indexes, visual records (photos, paintings, drawings, prints), cartographic records (maps, plans, architectural drawings and charts)

Manitoba

Consumer & Corporate Affairs vital records: births more than 100 years ago, marriages more than 80 years ago, deaths over 70 years ago

New Brunswick

Daniel F. Johnson’s New Brunswick Newspaper Vital Statistics database  abstracts of vital statistics from newspapers 1784 to 1896
New Brunswick Provincial Archives with 65,000 provincial government documents to their website. There’s also an extensive photo gallery.

Newfoundland & Labrador

NL Genweb genealogical and historical information about Newfoundland and Labrador

Nova Scotia

Libraries Nova Scotia Historic newspaper collection more than 19,000 pages of content from 16 different newspapers, from 1769 to 1991
Marine Museum of the Atlantic  shipwrecks from 1583 to 1999
Nova Scotia Archives & Records Managment Digital images of vital records starting in 1864
Nova Scotia genweb
Routes to Your Roots genealogical research and trip planning

Ontario

Archives of Ontario history of Ontario, databases including immigration register and cemetery index and locator
Huron District Assessment Rolls of 1842  the earliest official population and land records of the area
Oxford County Library collection of genealogy and local history related databases and indexes for soutwestern Ontario

Prince Edward Island

Archives Council of Prince Edward Island searchable database of descriptions of archival holdings held in repositories across PEI
Island Register Genealogy

Quebec

Programme de Recherche en Demongraphie Historique $ Quebec parish registers from 1621 to 1799, burial records from 1800 to 1850. Search for free, results for fee.
Quebec Family History Society $ with Gary’s Genealogical Picks, research tips, surname interests, and a bulletin board and the the new Jacques Gagne Church Compilations in the members section
Quebec Records from the Drouin Institue with 1.3 million recent Quebec obituaries (free)
Yourfolks $ abstracted information from Catholic marriage records in Quebec, pay per view

Saskatchewan

Archives of the City of Saskatoon cemetery records, history of Saskatoon, links outside Saskatoon