Etymology and distribution of 帰雲.

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

Aomori-ken , Hokkaidou , Iwate-ken .

① Aomori-ken Hirosaki-shi birthplace of Kanpira. A place name with a record since the Warring States Period. There is a transmission that the place name is according to the name of Mr. Kenhei.

② Personal name . Tell him that Kanpei Imai is the warrior of the Heian period. 今井 Imai reference.