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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石川県 能美市 下開発の名字

About 70 【北】6
About 60 【南】6
About 40 【東】6
About 30 【中】6
About 20 【杉本】6
About 20 【西】6
Very rare 【荒田】5
Very rare 【柏谷】5
Very rare 【高橋】7
Very rare 【永井】6
Very rare 【橋本】7