Etymology and distribution of 小鍵.

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

Hiroshima-ken Fukuyama-shi , Hiroshima-ken Fuchuu-shi . Hiroshima - ken Fuchuu - shi In Hiroya Town, I will tell him that he established the same Inazuki Shrine in 1242 (3 years of Jiji) and renamed it from Inagaki surname. 稲垣 Inagaki reference.