Oohi 【大樋】3 The Japanese surnames etymology dictionary.
Ehime-ken . Originated from Ehime-ken Imabari-shi (formerly Ochi-gun). A place name with a record since the Nara period. The place name was also written as "small city", "small thousand", "Ojiri", "wisdom". Kouchi - ken Takaoka gun Ochi - cho is a stopover. A place name with a record since the Azuchi-Momoyama period. Kouchi-ken Takaoka-gun Yusuhara-chou Near the vicinity (formerly Ochi-men) (Ochimen) is a transit point. A place name with a record since the Warring States Period. Tell the place name that Mr. Ochi served in the Kamakura period. Nara-ken Takaichi-gun Takatori-chou Ochi is a place name with a record since the Asuka period.