Etymology and distribution of 秀口.

Hidekuchi 【秀口】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukushima-ken , Kanagawa-ken , Aichi-ken . 六川 surname available. Fukushima-ken Higashishirakawa-gun In the Edo period in Yamatsuri-machi he tells that he came from Saitama-ken Hanyuu-shi Shimokawazaki. Fukushima-ken Higashishirakawa-gun Tanagura -machi Tanagura was in the Edo period in the Tanagura samurai of the Clan office. 六川 Rokugawa reference.