Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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長野県 南佐久郡佐久穂町 大日向本郷の名字

About 130 【小須田】5
About 70 【畠山】6
About 20 【三石】5
About 10 【坂本】7
About 10 【市川】6
About 10 【小林】7
About 10 【工藤】7
Very rare 【池田】7
Very rare 【菊池】6
Very rare 【倉沢】5
Very rare 【倉澤】4
Very rare 【小金沢】5
Very rare 【細田】6
Very rare 【原】7