Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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大分県 佐伯市 上岡樫野の名字

About 120 【今山】4
About 20 【高山】6
Very rare 【樫木】4
Very rare 【山内】6
Very rare 【成松】5
Very rare 【前田】7
Very rare 【松田】7
Very rare 【山本】7