Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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大分県 国東市 成久の名字

About 30 【小川】7
About 30 【河野】7
About 30 【徳丸】5
About 20 【小俣】5
About 20 【高橋】7
About 20 【清原】5
About 10 【阿部】7
About 10 【小山田】5
About 10 【平野】6
About 10 【木田】6
About 10 【高木】7
About 10 【後藤】7
About 10 【中野】7
About 10 【長谷部】6
About 10 【宮崎】7
Very rare 【相部】4
Very rare 【安部】6
Very rare 【永田】6
Very rare 【大熊】6
Very rare 【小玉】6
Very rare 【金林】4
Very rare 【工藤】7
Very rare 【小松】6
Very rare 【西田】6
Very rare 【佐藤】7
Very rare 【首藤】6
Very rare 【白石】6
Very rare 【丹治】5
Very rare 【多陀】2
Very rare 【橘】6
Very rare 【手嶋】5
Very rare 【利行】3
Very rare 【中村】7
Very rare 【原】7
Very rare 【藤永】5
Very rare 【藤本】7
Very rare 【矢野】6