Cal. Civ. Proc. Code § 1277
(a)
(2)
(B)
(b)
(2) The procedure described in paragraph (1) applies to petitions alleging any of the following reasons or circumstances:
(5) A petitioner may request that the court file the petition and any other papers associated with the proceeding under seal. The court may consider the request at the same time as the petition for name change, and may grant the request in any case in which the court finds that all of the following factors apply:
(f) If a guardian files a petition to change the name of the guardian’s minor ward pursuant to Section 1276: