Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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新潟県 阿賀野市 福井の名字

About 40 【小菅】6
About 20 【相馬】6
About 10 【伊藤】7
About 10 【長谷川】7
About 10 【前田】7
Very rare 【尾上】6
Very rare 【佐藤】7
Very rare 【星井】4
Very rare 【本田】6
Very rare 【宮野】6