Etymology and distribution of 界久保.

Kaikubo 【界久保】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Oosaka-fu , Hyougo-ken , Toukyou-to . Oosaka-fu Izumisano-shi Tsuruhara tells the descendant of Mr. Kusunoki's vassal who lost and lived in the battle. Estimated in the Northern and Morning era. Chiba-ken Ichihara-shi Katsuma is a place name with a record in the notation of "Katsuma" in the Kamakura period. In Kouchi-ken there was a belief that Kyouto-fu Kyouto-shi residented in accordance with Mr. Ichijo in order to avoid Junin's disturbance from 1467 (first year of Ren) to 1477 (9 years of civilization). Kouchi-ken Tosashimizu-shi Distributed in Misakiura. Kouchi-ken Shimanto-shi Katsuma is a place name with a record since the Azuchi-Momoyama period.