Etymology and distribution of 笘屋.

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

Yamagata-ken , Hokkaidou . Terrain . From the gutter and slope. Yamagata-ken Sakata-shi Ishinasaka (Ishinazaka) is based in Kanasaka. Ishinaga is a place name with a record since the Edo period. Kanzaka is an unknown place name in the recording era.