There are several sections on the Judicial Branch website that deal with name changes: overviews, forms, name changes in the probate court, and name changes in the family division. The various sections don't always provide cross references so we've put the links below.
Please remember that this guide is for information purposes only and is not comprehensive.
It is intended as a starting point for research, to illustrate the various sources of the law, and to provide guidance in their use.
NH Law About ... is not a substitute for the services of an attorney.