Etymology and distribution of 戸井.

Toi 【戸井】^{レベル5
About 4,100}  The Japanese surnames etymology dictionary.

Fukushima-ken , Saitama-ken , Toukyou-to . Saitama-ken Fukaya-shi Originally from Hasunuma. A place name with a record since the Muromachi period.

* Toukyou-to Adachi-ku (formerly South Adachi-gun) · Saitama-ken Originated from Hasunuma in Kita Adachi-gun. Gunma-ken Oota-shi Tradition in Hosoya. Saitama-ken Saitama-shi Namushi- ku Hasunuma is a place name with a record since the Edo period. Saitama-ken Kawaguchi-shi Hasunuma is a place name with a record since the Edo period.

Doi 【戸井】^{レベル5
About 4,100}  The Japanese surnames etymology dictionary.

Tochigi-ken . Personal name . In Tochigi - ken Ootawara - shi Kase, tell from the legend of Mr. Kase, who is a person of the North - South and Morning era. 余瀬 Yose reference. Saitama-ken Kuki-shi Iwakami told that it was described as "Hasumi" in the Edo era in the iris.