Etymology and distribution of 大益.

Ooeki 【大益】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

奥上 Okugami reference.

Oomasu 【大益】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu .

① Topography . From the west of the ridge. Tokushima-ken Tokushima-shi Tokushima-machi castle inside was in the Edo period in the Tokushima Samurai of the Clan office.

② Abstract . Ohnishi stands. Tottori-ken Touhaku-gun Yurihama-chou Tell her that it was renamed from Onishi's family name at the Meiji New surname in Hagoromi . 大西 Oonishi reference.

③ Ooita-ken Nakatsu-shi Originated from Ozaki of Tajiri's small character. Ozaki's "tail" is used.