Etymology and distribution of 窪内.

Kubouchi 【窪内】^{レベル4
About 1,500}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Toukyou-to . Creation . Yamaguchi-ken Iwakuni-shi called the "era" from Yukari with the main god of the era in the Japanese mythology, and Yamaguchi-ken Iwakuni-shi Yokoyama was released from the Iwakuni lord of the Clan Agency by the merchant as a merchant of confectionery " "In the Edo era. It is unknown whether the generation will exist.