Etymology and distribution of 白簱.

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

Aichi-ken , Toukyou-to , Oosaka-fu . Distribution including Yazawa as well.

① Saitama-ken Hidaka-shi Originated by Otanizawa (Oyazawa). A place name with a record since the Muromachi period. The place name was also written as "Oya-zawa."

② Shizuoka-ken Hamamatsu-shi Originated in Yasawa, Kasa-machi Kita Ward. A place name with a record since the Edo period.

③ Niigata-ken Higashikanbara-gun Aga-machi Origin of Tanizawa (Yazawa). Place name recorded in notation of "Nozawa" in the Northern and Morning era.

④ Fukushima-ken Sukagawa-shi Originated from Yazawa (Yazawa (formerly Tanizawa)). A place name with a record since the Warring States Period. The place name is the place name with the notation of "Yazawa" with a record. 矢沢 Yazawa reference.