New York Consolidated Laws, Civil Rights Law - CVR § 60. Petition for change of name

A petition for leave to assume another name may be made by a resident of the state to the county court of the county or the supreme court in the county in which he resides, or, if he resides in the city of New York, either to the supreme court or to any branch of the civil court of the city of New York, in any county of the city of New York. The petition to change the name of an infant may be made by the infant through his next friend, or by either of his parents, or by his general guardian, or by the guardian of his person.