Etymology and distribution of 久保根.

Kubone 【久保根】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Aichi-ken , Fukushima-ken . Terrain . Variant of 小溝 . Aichi-ken Toyohashi-shi It was in the Edo period in Muro Nakamura-cho. Fukushima-ken Fukushima-shi It was in the Edo era at Iizaka cho Yuno Shika. It is said that it was described as "small groove" in the same place.

※ Fukuoka-ken Eastern · Ooita-ken Northern part (Old: Buzen County) had a family name of Kozo won by Asuka during the Asuka period. Pronunciation by estimation is full flamenco.