Etymology and distribution of 岩久保.

Iwakubo 【岩久保】^{レベル3
About 130}  The Japanese surnames etymology dictionary.

Iwate-ken Hanamaki-shi , Kumamoto-ken Yamaga-shi .

① Personal name . Iwate - ken Hanamaki - shi In Tohmyo Nogami - Nishimiyano eye tell her that he gave a surname using the cattle of Ushiwakarumu which is a childhood name by lending an innocence to Genjikei of the warlord of the Heian period. Tell him that he was calling from the Heian period in the same place. 源 Minamoto reference.

② Topography . From the land sticking out with cows. Kumamoto-ken Yamaga-shi It was in the Edo era in Kikunaga cho Ueno Nogano. There are cases where the Ox means "North North East".