Etymology and distribution of 下小路.

Shimokouji 【下小路】^{レベル2
About 40}  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.