Etymology and distribution of ウイサル.

Uisaru* 【ウイサル】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Niigata-ken Murakami-shi . 打越 There surname. Niigata-ken Murakami-shi Kita - Ohira is based. Aomori-ken Higashitsugaru-gun Sotogahama-machi Mitsukoshi Utoshi was a place name with a record since the Edo period. The place name was also written as "cypress". 打越 Uchikoshi reference.