Former surname (maiden name) and its phonetic notation
- Inclusion of former name (maiden name) on copies of Certificate of Residence, My Number Card, seal registration certificate, etc.
- Documents where the former family name is also recorded
- Former surnames that can be listed together
- Place of Application
- Applicant
- Required Items for Application
- Those who have already recorded their former surname
Inclusion of former name (maiden name) on copies of Certificate of Residence, My Number Card, seal registration certificate, etc.
You can apply to have your former surname (the surname recorded in your previous family register) included on copies of the Certificate of Residence, My Number Card, seal registration certificates, etc.
Documents where the former family name is also recorded
- Copy of Certificate of Residence
- Certificate of Residence Details Certificate
- Seal Registration Certificate (You can also register a seal with a former name.)
- My Number Card
- Electronic Certificate for Signature of Public Personal Authentication Service
Note 1: When registering a former surname, the former surname will be listed on all the above documents. (It is not possible to display only one of either the former surname or the current surname on the family register.)
Note 2: The furigana for the former surname is only recorded on the copy of the Certificate of Residence.
Note 3: Foreign nationals cannot have their former surname listed alongside.
Former surnames that can be listed together
Registration
- Only one former surname can be listed for each person.
- When listing the former surname for the first time, you can choose freely from the past surnames recorded in the family register, etc.
- The previously recorded old surname will continue to be listed even if the surname changes due to marriage or other reasons.
- The former family name will continue to be recorded even if you move to another city, ward, town, or village.
Change
For those who have already listed their former family name, changes can only be made to the family name that was used immediately before the change.
Delete
It is possible to delete the former surname. However, if the former surname is deleted, you can only select one from the newly arisen former surnames to be listed again when the surname is changed afterwards.
Place of Application
- Citizen Affairs Division, 1st Floor, City Hall
- Hirao Branch Office
- Wakabadai Branch Office (i Plaza 1st Floor)
Applicant
- The person themselves or a member of the same household
- Agent with a power of attorney
Note: The principal must sign the power of attorney in their own handwriting.
Required Items for Application
- Family register copies, etc. that include the former family name (all family register copies, etc. from those that include the former family name to those that include the current family name)
- Documents showing the furigana of the former surname (such as bank passbooks, cash cards, credit cards, or family registers with furigana of the former surname)
- Identity verification documents of the applicant
- My Number Card (For those who have one only)
- Seal of former family name (only for those who wish to register a seal under the former family name)
Note 1: The family register documents include the original copies of the full family register, the excerpt of the family register, the full removed family register, and the excerpt of the removed family register. Submission is required even if the registered domicile is Inagi City.
Note 2: If the change of surname was a long time ago and there are no documents with the old surname's furigana, please consult with us.
Note 3: For identity verification documents, please refer to the "Identity Verification at Various Notifications and Requests" page, and for procedures related to changes in the details on the My Number Card, please see the "My Number Card (Individual Number Card) Detail Changes and Continued Use" page.
Note 4: A letter of attorney is required when an agent applies.
- Identity Verification for Various Notifications and Requests
- Changes to the My Number Card (Individual Number Card) details and continued use (address changes, etc.)
Those who have already recorded their former surname
As of May 25, 2025, for those whose former family name is recorded, a notification regarding the furigana notation has been sent by mail, so please check it.
If the notified furigana is correct → No procedure is necessary. Furigana will be displayed from May 26, 2026.
If the notified furigana is different → a procedure is required. Please apply for the correct furigana at the counter or by mail.
Please note that this is different from the notification of furigana recorded in the family register which is sent separately by mail.
Please check the link below for the furigana of the family register.
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Inquiries about this page
Inagi City Civic Affairs Department, Civic Affairs Section
2111 Higashi-Naganuma, Inagi City, Tokyo 206-8601
Phone number: 042-378-2111 Fax number: 042-377-4781
Contact Us - Citizen Affairs Division, Department of Citizen Affairs, Inagi City