The Japanese surnames etymology dictionary.
Ooita-ken , Fukuoka-ken . Thing . Ooita-ken Usa-shi Tell her that Usa was handed by Kashiwa of " Shiba " and Shinto worshiping method from Usa Shrine, the head office of Hachimangu Shrine in South Yusa . Estimated in the Edo period. Ooita-ken Usa-shi Shimaya is headquartered.