Etymology and distribution of 磯渕.

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

Ehime-ken Kitauwa-gun Kihoku-chou . 井手 surname. Fukuoka-ken Fukuoka-shi Chuo-ku Castle interior was in the Edo era in the Fukuoka clan in the clan office. 井手 Ide reference.