Etymology and distribution of 久保島.

Kuboshima 【久保島】^{レベル4
About 1,000}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Fukuoka-ken .

① Kagoshima-ken Kimotsuki-gun Minamioosumi-chou Introduction Originated from Shonin Nagano in Yokosuka's underwear. There was a small Nagano gate in the area during the Edo period.

② Topography . From the small Nagano gate in the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Aira-shi Kizushi. The gate name comes from a small long field.

Kubojima 【久保島】^{レベル4
About 1,000}  The Japanese surnames etymology dictionary.

Kyouto-fu Kyouto-shi Minami-ku, Toukyou-to . 中村 family name. Kyouto-fu Yawata-shi It was in the Edo period as the priest of Shishimizu Hachimangu Shrine of Yawata Takayobo . I will tell the company that Aichi-ken Eastern (old: Mikawa country) is out. 中村 Nakamura reference.