Okauchi 【岡内】5 The Japanese surnames etymology dictionary.
③ 尾木原 variant of. Tottori-ken Tottori-shi In Kawaramachi Nagase, in Tottori-ken Tottori-shi toya he escaped from the enemy after Ojikigahara castle in 1581 (Tensho 9 years) and escaped from the enemy and meaning "the beast moves away from the fire" to "Ogi" It is said that there is a change from the family name of Okihara.
④ Convention . Kajiwara's abbreviation. Iwate-ken Rikuzentakata-shi In Yokota-cho, Mr. Kajiwara comes from Kanagawa-ken Kamakura-shi and tells that he kept "original" to disguise Kajiwara and called "Ogiwara", "Oki Kihara". Estimated in the Kamakura period. 梶原 reference. 尾木原 reference.
⑦ Topography . From Ogi and Hara. Kagoshima-ken Kimotsuki-gun Kinkou-chou From the Ogiwara gate of the gate division system which was in the Edo era at the foot of Tashiro. Good neighbor . Saitama-ken Kawagoe-shi Distributed in Tonomachi and Noda-cho.