His childhood name was Chofuku-maru, but with his coming-of-age ceremony he changed his name to Yorimasa; and later to Yorinobu (頼信) and then Yorinobu (頼宣) between 1615 and 1624.
幼名は長福丸、元服に伴い頼将、元和(日本)年中に頼信さらに頼宣と改名する。