Etymology and distribution of 蛭子井.

Ebisui 【蛭子井】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Nagano-ken , Toukyou-to .

① Gunma-ken Oura-gun Meiwa-machi Origin of Oku. A place name with a record since the Warring States Period.

② Nagano-ken Suwa-shi Birth of Yamato (Owa). A place name with a record since the Kamakura period. The place name was also written as "Ohwa", "Okawa".

③ Tochigi-ken Ootawara-shi Origin of Okawa. A place name with a record since the Edo period. Tell him that Mr. Owa resided in the same area. There is a belief that the place name was called "Otori SU".

Hirukoi 【蛭子井】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

森生 Moriiki reference.