In order to change your name legally in Ontario, there are several conditions that needs to be fulfilled before you can apply:
1. You have to be 16 years of age or older.
2. However, if you are 16 years or 17 years of age, you will need consent from your parents, guardian or someone who has legal custody over you. (This means that you must also complete part 3 of this application)
3. If you are married or have a conjugal relationship with your partner, you must notify that partner or spouse to let them know you are changing your name. (You must also complete part 2 of this application)
4. You must have lived in Ontario for the past 12 months.
When you have fulfilled those conditions mentioned above, you can start downloading the Legal Name Change Application form.
The application form is pretty straightforward and easy to complete.
Once you are done filling the form, you can either mail out your completed form, payment details, and other required documents to:
Office of the registrar General
189 Red River Road,
Thunder Bay, Ontario
If you want, you can also submit the completed forms, Required payment and required documents in person at the address closest to your location or city.
Cost is about $137
Once your name change is approved, you will receive a document called "Change of Name Certificate". This will show your previous name and your new name. Then you can use this document to change other documents such as drivers license, Ontario photo card, Health Card, Sin Card, Passport or Citizenship Certificate. If you were born in Ontario, you will also receive a new birth certificate with your new name on it.