Etymology and distribution of 大桺.

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

Aomori-ken Misawa-shi , Iwate-ken .

① Aomori-ken Misawa-shi birth of Orikasa. A place name with a record since the Edo period.

② Iwate-ken Shimohei-gun Yamada-machi Origin of Orikasa. A place name with a record since the Warring States Period. The place name was also written as "Orikasa."