Etymology and distribution of 国保.

Kokubo 【国保】^{レベル4
About 800}  The Japanese surnames etymology dictionary.

Ibaraki-ken Yuuki-shi , Kumamoto-ken , Miyagi-ken .

① Yamagata-ken Higashiokitama-gun Takahata-machi Origin of Shionomori (Shionomori). A place name with a record since the Warring States Period. The place name was also written as "Shionoga Forest." My last name also pronounced Shionomori.

② Kumamoto-ken Ashikita-gun Ashikita-machi Birth of salt immersion. A place name with a record since the Edo period. Salt immersion "salt" is used. It is distributed in the same place.

Kuniyasu 【国保】^{レベル4
About 800}  The Japanese surnames etymology dictionary.

Hokkaidou Date-shi , Iwate-ken Miyako-shi . Iwate-ken Miyako-shi Originated from Komatsukura in Nagasawa's small character.