Etymology and distribution of 及.

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

Okayama-ken , Hiroshima-ken . A variant of 河本 . Okayama-ken Katsuta-gun Shouou-chou Tell the stone that it was called from Muromachi Period. Tottori-ken Tottori-shi Higashi - cho was in the Edo period in the Tottori Samurai of the Clan Office. 河本 Kawamoto reference.