Etymology and distribution of 槣山.

Urushiyama 【槣山】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Aichi-ken Toyohashi-shi . A variant of 大沢 . There is a transmission with the departure of the Hokuriku region. Period, location unknown.

※ Chiba-ken Sakura-shi castle town was in the Edo era in the Sakura clan of the clan office.