Ikubo 【井久保】4 The Japanese surnames etymology dictionary.
① 伊師 variant of.
④ things . From the stone. First letter surname of Amagi archipelago of Kagoshima-ken . Kyouto-fu Sakyo Ward The Shogo - ku was in the Tokyo era as the shrine of the celestial inari shrine in the circle tribe town.
* Hiroshima-ken Yamagata-gun Kitahiroshima-chou Birth of Upper and lower stone (formerly Ishimura). Place name recorded from the Nanboku era to the Sengoku period. Hiroshima-ken was also a notation of "Ichi" during the Warring States Period. It is unknown whether Ichi will exist.