Etymology and distribution of 己斐.

Koi 【己斐】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Oosaka-fu , Nagasaki-ken .

① Topography . From the protruding land. It was in the Edo period in Kagoshima-ken Kagoshima-shi . Good neighbor . Kouchi-ken Kouchi-shi It is distributed in Nagahama. There is Yamazaki in the small story in the same place. Good neighbor . Hiroshima-ken Fukuyama-shi Distributed in Kamura-machi.

② Creation . "Book" was added to Kasozaki which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 崎 Saki reference.