Etymology and distribution of 井通.

Itsuu 【井通】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Hyougo-ken , Tokushima-ken , Oosaka-fu . Distribution including Io.

① Hyougo-ken Shisou-shi Ichinomiya-cho Anzaki is based. Hyougo-ken Sayou-gun Sayou-chou Noino was a crescent moon samurai in the Clan office, Hyougo-ken Amagasaki-shi Amamasaki and Kitashirouchi were in the Edo period in the Amagasaki clan in the Clan office. Io in Hyougo-ken .

② Tokushima-ken Awa-shi Market town market is based.

③ Ooita-ken Kitsuki-shi birth of Ino. A place name with a record since the Edo period. The place name was also written as "Ino Tail". It is distributed in the same place.