Etymology and distribution of 烏土居.

Karasudoi 【烏土居】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ibaraki-ken Mito-shi . 櫛田 surname. Ibaraki-ken Mito-shi Otsuka cho is based. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period.