The Wisconsin CV-455 Petition for Name Change (Minor Child under age 14) is a legal form used by parents or guardians to apply for a name change for a minor child who is under the age of 14. The petition must be filed in the circuit court of the county where the child resides. If the child resides in a different county than the parent(s)/guardian(s), the petition must be filed in the circuit court of the county where the child resides. The petition must be signed by both parents (if both are living) or the parent/guardian that has legal custody of the child. The petition must include the child’s current name, the proposed new name, and the reason for the name change. The court will also require evidence of service of the petition to the other parent/guardian or other interested persons. Different types of Wisconsin CV-455 Petition for Name Change (Minor Child under age 14) include: — Petition for Name Change of a Minor Child (under age 14) by Both Parents — Petition for Name Change of a Minor Child (under age 14) by One Parent — Petition for Name Change of a Minor Child (under age 14) by a Guardian.