Etymology and distribution of 岩之上.

Iwanoue 【岩之上】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ehime-ken Imabari-shi , Ehime-ken Matsuyama-shi . Ehime-ken Saijou-shi Tanbara-machi Ususaka was a place name with a record since the Edo period. The place name tells that the samurai of Ususa surname lived in 1573 (former turtle year) from 1570. Ehime-ken was in the Warring States Period.