Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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埼玉県 児玉郡美里町 円良田の名字

About 80 【田島】6
About 60 【相馬】6
About 50 【小林】7
About 20 【野沢】6
About 10 【青木】7
About 10 【野澤】5
Very rare 【浅見】6
Very rare 【佐藤】7
Very rare 【森田】7