Etymology and distribution of 居野原.

Inohara 【居野原】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hiroshima-ken Miyoshi-shi . Creation . A variant of 隠居 . Hiroshima-ken Miyoshi-shi In Kamikawacho-cho, I tell him that he changed his name from surabay's surname at the Meiji New surname when he retired at the end of the Edo period. 上馬場 Uebaba reference.