Etymology and distribution of 石鍵.

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

Hiroshima-ken , Ehime-ken , Yamaguchi-ken . Creation . I added "book" to Ise. Estimated in the Edo period. Tell Hiroshima-ken Onomichi-shi that it was Ise family name. 伊勢 Ise reference.