http://www.gov.on.ca/ont/portal/!ut/...n?docid=119282
Wow! Things seem to be different in Canada! It seems that you have to apply to the Registrar General for Ontario as the lovely lady suggested, and prove whom you are, by way of say Birth Certificates showing line of descent. Over here records are public information!
I would however strongly suggest endeavouring to find any Estate details assuming predecease, if such can be searched, to find out surviving kin if any. Armed with the date of death in the Estate records you should then be able to trace the Death Certificate and the info thereon may be very helpful.