Re-register a child following marriage of natural parents
Where can I re-register the birth?
It is best to attend the Register Office where the original birth was registered.
However, you can only do this at the Register Office in England and Wales where the child was originally registered, providing the child was born in England or Wales. You can made a declaration to any register office providing you have an up to date copy of your child's birth certificate.
Can my child's surname be changed?
You can following your marriage or civil partnership Change your child's surname by deed poll using the Gov.uk deed poll service.