Registration records after these dates are held by the Ontario Registrar General and can be requested online through ServiceOntario. I thought the search for family records would be easy and that I’d be filing my citizenship certificate application in a week or two. Credit: Courtesy of Canada, Ontario Roman Catholic Church Records, 1760-1923Right at the start, I discovered that not everyone has a birth certificate. Some people were given birth registration numbers. Credit: Courtesy of Archives of OntarioI searched hundreds of Ontario birth registrations in the year she was born and didn’t find her.