Okamyou 【岡明】3 The Japanese surnames etymology dictionary.
Gunma-ken , Toukyou-to , Nagasaki-ken . Distribution including Kobuchi. It is Kabuchi at Nagasaki - ken . Terrain . A variant of 小渕 . Gunma-ken Agatsuma-gun Nakanojou-machi In Orienta I tell from Oobuchi of Toukyou-to Katsushika-ku (formerly Katsushika-gun). Period, location unknown. Saitama-ken Kawaguchi-shi Mitsuwa Nearby (Old: Kobuchi) is a place name with a record since the Warring States Period. Saitama-ken Kasukabe-shi Obuchi (Kobuchi) is a place name with a record since the Edo period. Ehime-ken was in the Warring States Period.