Etymology and distribution of 周川.

Shuukawa 【周川】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Toyama-ken , Yamaguchi-ken , Tochigi-ken .

① Ishikawa-ken Kanazawa-shi Marunouchi was in the Edo era at the Kaga clan in the Clan office. Estimated pronunciation is Hojima.

② Tochigi - ken Kanuma - shi In Tochigi, telling that he was renamed from Matsushima surname according to the surname of the teacher when entering the Buddhist monk. In the estimation Meiji new family name including the teacher's "treasure". 松島 Matsushima reference.