Birth records are indexed from 1869 to 1907
Marriage records are available from 1869to 1922
Death records from 1869 to 1932.
Birth, marriage and death documentation began in 1869, which can be found at the Ontario Archives that can be borrowed through your local library. http://www.genhomepage.com/FHC/Canada.html
This site can be complicated but it is fun to get the info you are looking for but could not find in any other documents through this resource.