Etymology and distribution of 運万.

Unman 【運万】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Miyagi-ken Kakuda-shi , Kouchi-ken , Hokkaidou .

① Miyagi-ken Kurihara-shi originated from Okawaguchi of one piece. A place name with a record since the Edo period.

② 川口 There is a surname. 川口 Kawaguchi reference.