Etymology and distribution of 花長井.

Hananagai 【花長井】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Shimonoseki-shi , Hiroshima-ken . Summary . Abbreviation for Mitarai. Toukyou-to Setagaya-ku Tell them that Yamaguchi-ken Shimonoseki-shi handled marine products under the name of Mitarai Yoshonemon during the Edo period in Yamaguchi-ken Shimonoseki-shi and changed them to Oki Kiemon at the Meiji New surname. 御手洗 Mitarai reference.