Ogaya 【小ケ谷】2 The Japanese surnames etymology dictionary.
② Topography . From the front of the ridge. Hiroshima-ken Hiroshima-shi It was in the Edo period in Nishihara, Anzanami-ku. It is distributed in Gifu-ken Takayama-shi . Iwate - ken Kunohe - gun Hirono - chou Tell her that you owned a horse and was using Omaya 's name in a kind city. Estimated in the Edo period.