DocumentsApplication to Change an Adult’s Name in Ontario | Form 11155
Application to Change an Adult’s Name in Ontario | Form 11155
Need to complete an Application to Change an Adult’s Name? Use our free, customizable template and get it notarized online in minutes.
In Ontario, an Application to Change an Adult’s Name (Form 11155) is a government form used to legally change an adult’s name. It requires an applicant to provide their personal information, including the reason for their name change. To complete this form, you need to have it notarized by an authorized official, like a notary public.

Application to Change an Adult’s Name


To make the process of drafting and notarizing your Application to Change an Adult’s Name as easy and convenient as possible, NotaryPro offers an online document creator. You can avoid the hassle of making an appointment with a notary public and spend less time drafting a document.

Name Change Eligibility in Ontario
If you want to apply to legally change your name in Ontario, you must meet the following requirements:
- Age: You must be at least 16 years of age.
- Residency: You must have lived in Ontario continuously for at least 12 months.
A few additional conditions include:
- If you are 16 or 17, both of your parents or legal guardians must provide consent and complete Part 3 of the Application to Change an Adult’s Name – Form 11155E or Form 11156E
- You must sign your name change application in front of a notary public or commissioner of oaths; you can meet with a notary online here in minutes.
- If you’re in a marital or conjugal relationship, you must inform your spouse and complete Part 2 of the name change application.
- You must get a police records check as part of your legal name change application. Download the Requirements for a Police Record Check for a Change of Name form to ensure the police force meets all requirements.
Completing Your Ontario Name Change Application
To officially change your name in Ontario, you must complete the Application to Change an Adult’s Name in Ontario – Form 11155. This application features several sections, although they may not all apply to you. In general, you’ll need to take the following steps:
- Complete all applicable forms in the name change application: You can use our fillable application, which is identical to the Government of Ontario name change application.
- Sign the Statutory Declaration before a notary public: You must sign this portion before a notary public or commissioner of oaths. You can meet with a notary online with NotaryPro in 7 minutes
- Pay the $137 fee
Submit the Application: Mail your completed forms, payment, and supporting documents to the address below:
Deputy Registrar General
Office of the Registrar General
P.O. Box 3000, 189 Red River Road
Thunder Bay, ON P7B 5W0
Types of Name Changes in Ontario
In Ontario, you can change your name under the following circumstances:
- A name change for children for personal reasons
- A name change for adults for personal reasons
- Changing your name to match a partner’s name
- Assuming a spouse’s or partner’s name
- Changing your last name after getting married or divorced
- Resuming your previous last name
You can see all Ontario name change application forms here.
What Details Does an Application to Change an Adult’s Name Require?
Completing a name change application is a fairly straightforward process; every section in the application may not apply to you. Below is a list of the details you’ll need to provide:
- Personal Information: Your name, mailing address, date of birth, place of birth, and the number of years you’ve lived in Ontario.
- Desired New Name: The name you would like to be your new legal name.
- Marital Status: Details about your current marital or conjugal relationship status.
- Information About Your Parents: Basic information about the parent(s) listed on your birth registration.
- Reason for Name Change: The purpose of your name change and all previous names you’ve used before.
- Details About Criminal Offenses: You must disclose both Canadian criminal offences and criminal offences committed in other jurisdictions.
- Financial Information: You’ll need to disclose whether a court or tribunal has ordered you to pay fees that you haven’t yet paid in full.
- Consent Form: If you are 16 or 17, you must complete the consent portion and have a legal guardian sign in approval of the name change.
- A Guarantor’s Statement: You need a guarantor to prove that you have been an Ontario resident for at least the last 12 months. To learn more about finding a guarantor, see our name change application guide.
- Payment Information: Payment information is needed to settle the $137 fee required to change your name.
- Notarized Statutory Declaration: You must get this portion notarized by an authorized official, like a notary public.
*Please note, applications cannot be scanned or hand-written if they are to be notarized online. To notarize your application online, the entire document must be completed digitally and not with wet ink.
Documents Required to Change an Adult’s Name in Ontario
The documents required to change an adult’s name in Ontario vary depending on your unique circumstances. However, the following documents are most commonly required to change your name:
- An original or photocopy of your birth certificate or a certified copy of your birth registration. If you don’t have either of these, apply for a birth certificate, then submit it with your name change application.
- Copies of any previous name change certificates.
- Proof of guardianship, like a court order relating to custody and access (if you’re 16 or 17, you’ll need a guardian’s consent).
Our guide outlines which documents you’ll need as a Canadian citizen born in or outside of Canada, landed immigrant, or permanent resident.
Meet with a Notary Online to Complete Your Application
An Application to Change an Adult’s Name must be notarized by an authorized official, like a notary public. It contains a Statutory Declaration, which you must sign before the official and declare that the details in your application are true.
The authorized official will verify your identity and witness your signature, then add their signature and stamp to make it official. Signing with a notary shows that your declaration has been verified by an authorized person, which validates it.
You can meet with a notary online, from the comfort of your home or office. The process takes 7 minutes with NotaryPro’s secure online notary service solution.
Frequently Asked Questions
What happens after your name change is approved?
Once your name change is approved, you will get a change of name certificate that shows your previous and new name.
You can use this certificate to change your name on other documents, like your driver’s licence.
Will I get a new birth certificate once my name change is approved?
If you were born in Ontario, you will automatically receive a new birth certificate in your new name.
If you were born outside of Ontario, contact the province or territory where you were born for a new birth certificate.
Is NotaryPro’s online drafting & notary service legally recognized?
Yes, NotaryPro’s documents are legally recognized.
NotaryPro’s documents have been accepted by many institutions and authorities, including federal, provincial, and international authorities.
Is NotaryPro’s online drafting & notary service secure?
Yes, NotaryPro uses the latest encryption technology.
Personally identifiable information and documents are subject to the highest level of digital security. We ensure that your documents are notarized in compliance with all applicable Canadian laws and regulations.
How much does it cost?
It’s free to create your document, although we offer online notarization for a small fee.
That’s right! Creating your document comes at no cost to you, but if you would like to notarize it, we’re happy to help. Please find our detailed price list here.