Etymology and distribution of ダシルバ.

Dashiruba* 【ダシルバ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kumamoto-ken , Fukuoka-ken . There is a 戸口 surname. Kumamoto-ken Shimomashiki-gun Misato-machi Distributed in Tono. 戸口 Toguchi reference.