Re-registration after marriage
If the parents of a child subsequently get married it is necessary to re-register the child even if the child has already been given the father's surname and no matter how old the children are at the time of marriage.
The re-registration process is very straightforward and further details and the necessary forms (LA1) can be obtained from the register office. Re-registration after marriage is a legal requirement under the 1976 Legitimacy Act.