The Japanese surnames etymology dictionary.
Kanagawa-ken , Kyouto-fu , Nara-ken . Terrain . From the forest of the back. Kanagawa-ken Sagamihara-shi Yabe Chuo-ku is based. It was in the Edo period in the same place. Kyouto-fu Souraku-gun Minamiyamashiro-mura Kita Ogawara Okuda is a place name unknown in the record era. It is distributed in the same place. Tottori-ken Sakaiminato-shi In Nakamachi tells that he was engaged in agriculture and fishery. Estimated in the Edo period.