Etymology and distribution of 堅石.

Kataishi 【堅石】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Hokkaidou , Oosaka-fu , Ishikawa-ken . Occupation . A variant of a 紙屋 . Ishikawa-ken Nomi-shi Miyutake-cho, Toyama-ken In Uodzu-shi tell from the shop's name of a paper store (Kamiya). Estimated in the Edo era. Oosaka - fu Sakai - shi In Sakai - ku, Ichinoku - cho, telling that he was renamed from the root sake name to the end of the Edo period. 根酒 Nezake reference.