Surname Change Affidavit Format Sample

Changing your last name legally? Whether it’s due to marriage, divorce, adoption, or personal reasons, you’ll need a surname change affidavit format to support your application in government or legal documents. This affidavit acts as a formal, notarized statement confirming that you’ve changed your surname. Below, you’ll find easy-to-use templates for different situations—each one legally acceptable and written in a professional tone.

Sample Surname Change Affidavit Formats

Generic Surname Change Affidavit Format

Use this for general surname changes, especially for government records.

AFFIDAVIT FOR SURNAME CHANGE

I, _________________ [Your Full Name], aged ______ [Age] years, son/daughter of _________________ [Father’s/Mother’s Name], residing at ___________________________________ [Full Address], do hereby solemnly affirm and declare as follows:

  1. That my name as per official records is _________________ [Old Full Name].
  2. That I have recently changed my surname from ____________ [Old Surname] to ____________ [New Surname].
  3. That I shall henceforth be known as _________________ [New Full Name] for all purposes.
  4. That this affidavit is made for the purpose of placing this name change on public record and updating all my legal documents.

I declare that the facts stated above are true to the best of my knowledge and belief.

Deponent’s Signature: _______________

Date: ____________ [MM/DD/YYYY]
Place: ____________ [City/State]

Notary Public Signature & Seal

Surname Change Affidavit for Passport Update

Needed when applying for a new passport or re-issue after changing surname.

AFFIDAVIT FOR CHANGE OF SURNAME IN PASSPORT

I, _________________ [Your Old Full Name], currently residing at ____________________________ [Full Address], do hereby declare:

  1. My name as mentioned in my previous passport was _________________ [Old Full Name].
  2. Due to _________________ [reason: marriage/divorce/legal reason], I have changed my surname from _____________ [Old Surname] to _____________ [New Surname].
  3. I request the authorities to update my passport with my new name, ____________________ [New Full Name], for all future purposes.

I affirm that the above information is correct and I am responsible for its accuracy.

Signature: __________________

Date: ______________ [MM/DD/YYYY]
Place: ______________ [City, State]

To be signed in the presence of a Notary Public

Surname Change Affidavit After Marriage (for Women)

Specifically for women updating their surname post-marriage.

AFFIDAVIT FOR SURNAME CHANGE AFTER MARRIAGE

I, _________________ [Maiden Name], daughter of _________________ [Father’s Name], aged _________ [Age], residing at _________________________________________ [Address], do hereby solemnly affirm:

  1. That I was married on _________________ [Date of Marriage] to _________________ [Spouse’s Name], residing at _________________ [Spouse’s Address].
  2. That post marriage, I have changed my surname from _________________ [Maiden Surname] to _________________ [Married Surname].
  3. I wish to use the name _________________ [New Full Name] for all future legal and official purposes.

This affidavit is made to declare my name change post-marriage and to apply for relevant document updates.

Deponent’s Signature: __________________

Date: _________________ [MM/DD/YYYY]
Place: _________________ [City, State]

Notarized by: __________________ (Notary Public with Seal)

Surname Change Affidavit for Minor Child

Used when a child’s surname is changed due to legal guardianship, adoption, etc.

AFFIDAVIT FOR SURNAME CHANGE OF A MINOR

I, ________________ [Parent/Guardian Full Name], parent/legal guardian of ________________ [Child’s Full Name], aged ________ [Child’s Age], residing at ________________________________________ [Address], hereby state:

  1. That the child’s current surname is ________________ [Old Surname].
  2. That I am changing the surname of the child to ________________ [New Surname] due to ____________________________________ [Reason – e.g., adoption/divorce/guardianship].
  3. That henceforth, the child will be known as ________________ [New Full Name].

I request all relevant authorities to acknowledge this name change and update their records accordingly.

Signature of Parent/Guardian: _______________

Date: ________________ [MM/DD/YYYY]
Place: ________________ [City/State]

Notary Public Signature and Seal

Surname Change Affidavit After Divorce

For individuals reverting to their maiden or former surname.

AFFIDAVIT FOR SURNAME CHANGE AFTER DIVORCE

I, _________________ [Full Name Before Marriage], aged ________ [Age], residing at _________________________________ [Address], do hereby solemnly affirm:

  1. That I was previously married to _________________ [Spouse’s Name], and my name during the marriage was _________________ [Married Name].
  2. That the divorce was finalized on _________________ [Date of Divorce].
  3. That I have decided to revert to my previous surname_________________ [Previous Surname], and shall now be known as _________________ [New/Old Full Name].

This declaration is made for the purpose of updating my name in official records.

Signature: _______________

Date: _________________ [MM/DD/YYYY]
Place: _________________ [City/State]

Notarized on this date: _______________

Conclusion

Having a proper surname change affidavit format is essential when updating your identity documents after changing your last name. The samples above are ready to use and meet common legal, personal, and institutional requirements. Whether you’re getting married, divorced, or updating your child’s name, you can customize these formats based on your need. Always ensure the affidavit is notarized and includes accurate personal information.