Etymology and distribution of 古島.

Furushima 【古島】^{レベル5
About 3,300}  The Japanese surnames etymology dictionary.

Iwate-ken Takizawa-shi , Fukuoka-ken .

① Iwate-ken Takizawa-shi Origin of Shimizu Okayama. Iwate-ken Morioka-shi Uchimaru reports from the fact that the spring water that Mr. Shimonobu Nanbu of Morioka lord owner of the Clan Agency used as the freshwater water was called Kichiwa in the Edo period.

② In Fukuoka-ken Buzen-shi Rukawa ___ ___ ___ ___ ___ 0 Estimated in the Edo period.

Koshima 【古島】^{レベル5
About 3,300}  The Japanese surnames etymology dictionary.

Hiroshima-ken Hiroshima-shi Anzanami-ku. 重本 There surname. Hiroshima - ken Hiroshima - shi Distributed in Numazada - cho, Yasanami - ku.

Kojima 【古島】^{レベル5
About 3,300}  The Japanese surnames etymology dictionary.

茂谷 Motani reference.