Etymology and distribution of 小井.

Koi 【小井】^{レベル4
About 1,200}  The Japanese surnames etymology dictionary.

Gifu-ken Ibi-gun Ikeda-chou , Kumamoto-ken Ashikita-gun Ashikita-machi . Terrain . From heron and village. Nagasaki - ken Minamishimabara - shi Tell the story that at the famous temple of Shogunji Temple of the Jodo Shin Buddhist in Aioi, it was called Meiji New Last Name in 1872 because there were many herons in the area. There are also stories that the shogunate was Sasaki at the temple. 佐々木 Sasaki reference.

Isarai 【小井】^{レベル4
About 1,200}  The Japanese surnames etymology dictionary.

Kagoshima-ken Izumi-shi · Aichi-ken · Nagano-ken Higashichikuma-gun Yamagata-mura . Terrain . From the island and the mound. Kagoshima-ken Izumi-shi Distributed in Okubo Takano-cho.

Tokushima-ken Tokushima-shi Tokushima-machi castle inside was written as Tokushima Samurai of the Clan office in the Edo period as "礒 塚" notation. It is unknown whether Mt.

Oi 【小井】^{レベル4
About 1,200}  The Japanese surnames etymology dictionary.

翁田 Outa reference.