Etymology and distribution of 以野上.

Inoue 【以野上】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hokkaidou , Iwate-ken , Niigata-ken .

Beginning of Niigata-ken Iwafune County. A place name with a record since the Heian period. The place name was also written as "Bamboo" and "Ishinbune." Hokkaidou Haken by Hakodate-shi .

② Origin of Nagano-ken Nakano-shi rocks. A place name with a record since the Warring States Period. The place name was also written as "Iwafune."