- TONI (The Ontario Name Index), free index, ($)
- (Ontario Genealogical Society Provincial Index), index
- BMS 2000 Index, initial free trial, ($)
- Early Ontario Records, index
- Ontario, Canada, Catholic Church Records (Drouin Collection), 1747-1967 ($)
- Ontario, Roman Catholic Church Records, 1760-1923, images. For list of parishes covered, see FamilySearch Catalog
- Ontario, Canada, Roman Catholic Baptisms, Marriages, and Burials, 1760-1923, index and images, ($).
- Indian registers of marriages, baptisms, burials from Catholic missions in Ontario, 1843-1915?
- Ontario, Church and Civil Records, 1801-1948, index and images, incomplete
- Upper Canada Western Ontario Baptisms Database Index
- Upper Canada Central Ontario Baptisms Database Index
- Upper Canada Eastern Ontario Baptism Indexes
- Canada, Births and Baptisms, 1661-1959 Index only.
- Ontario Births and Baptisms, 1779-1899, index, incomplete.
- Ontario, Canada Births, 1832-1914, ($), index and images.
- Ontario Birth Index 1860-1920, index, ($)
- Ontario Births, 1869-1910, ($), index and images. Also available at MyHeritage, ($), index.
- Ontario Vital Statistics Project Birth Registrations, 1869-1911, index
- Wesleyan Methodist Baptismal Register, index, ($)
- Canada, Marriages, 1661-1949 Index only.
- Ontario, Marriages, 1800-1910 Index only.
- Ontario Marriage Registrations, 1800-1927
- Ontario, Canada, Marriages, 1826-1938 ($)
- Marriage Notices of Ontario 1813-1854 ($)
- Ontario, Canada, Roman Catholic Marriages, 1827-1870, ($) index
- Ontario Marriage Notices 1830-1856 ($)
- Ontario, Canada, County Marriage Registers, 1858-1869 ($)
- Ontario, Canada, Civil Marriage Registrations, 1869-73, index ($)
- Ontario Marriages, 1869-1927 Index only.
- Ontario, Canada Marriage Registers by Clergy, 1896-1948 ($)
- Search: Marriage Bonds, 1779-1858 - Lower & Upper Canada.
- District marriage registers, 1801-1872, 1896; county marriage registers, 1858-1934; marriage registers by clergy, 1896-1948; Roman Catholic marriage registers, 1828-1870; miscellaneous vital statistics registers, 1859-1931
- Marriage bonds, licenses and correspondence of Ontario, Canada, 1803-1845, 1865
- Ontario, Eastern District marriage register Contains marriages, 1831-1865, for Church of Scotland, Lutherans, Congregationalists, Baptists, Independents, Methodists, Menonists, Tunkers, Presbyterians or Moravians.
- Canada, Upper Canada Census, 1842, index/images
- Census of parts of Ontario, 1848, images. Parts of Grenville, Leeds, Durham, and Northumberland Counties.
- Census of parts of Ontario, 1848, images. Includes only the Huron District (comprising all of part of present-day Huron, Middlesex, and Perth counties).
- Canada Census, 1851 Index.
- 1851 Census of Canada East, Canada West, New Brunswick, and Nova Scotia ($) Index and Images.
- Ontario Census, 1861 Index.
- 1861 Census of Canada ($) Index and Images.
- Canada Census, 1871 Index. Also at My Heritage, ($), index, and Ancestry.com, ($), index
- Ontario, Canada, Federal Census Of 1871 Ontario Index, 1871, index, ($)
- Canada, Census Mortality Schedule, 1871
- 1881 Census of Canada from Library and Archives Canada free! Index and images.
- Canada Census, 1881 Index and Images.
- 1881 Census of Canada ($) Index and Images.
- Canada Census, 1891 Index only.
- 1891 Census of Canada ($) Index and Images.
- Canada Census, 1901 Index only.
- 1901 Census of Canada from Library and Archives Canada Index and images.
- 1901 Census of Canada ($) Index and Images.
- Canada Census, 1911 Index only.
- 1911 Census of Canada from Library and Archives Canada free! Index and images.
- 1911 Census of Canada ($) Index and Images.
- 1921 Census of Canada ($) Index and Images.
- Ontario, Immigration Records, 1862-1897, index
- Ontario, Immigration Records, 1862-1897
- OliveTree Return of Emigrants Landed at the Port of Kingston Ontario, Canada 1861-1882
- Toronto Emigrant Office Assisted Immigration Registers, 1865 and 1883, index.
- Canada, Ontario, Toronto Emigrant Office Records Index, index ($)
- See also:m Canada Online Genealogy Records
War of 1812
South African War, 1899-1902
World War I
Other Military Records
- Canada Gazette Index
- Ontario Genealogical Society Provincial Index, index, ($)
- Globe and Mail Historical Newspaper Archive, 1844-2011, with library card or at ProQuest
- Index to names in the Christian Guardian, 1921-1925, index
- Ontario Genealogy Historical Newspaper Archives, ($)
- Olive Tree Ontario Newspapers for Genealogy Research
- Upper Canada Newspaper Notices, index
- Our Ontario, 200 years of Ontario newspapers
- Paper of Record, index