If you have ANY Canadian ancestor, you are likely a Canadian citizen as a result of recent changes in Canadian law
If you have ANY Canadian ancestor, you are likely a Canadian citizen as a result of recent changes in Canadian law
It is automatic, but you have to apply for the certificate of citizenship.
There are related regulations that have just been published in The Canada Gazette that will enable people to have a simplified process for formal renunciation of Canadian citizenship to Canadian authorities if they believe they may be Canadian citizens by descent.