Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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山形県 西村山郡西川町 大井沢の名字

About 200 【志田】6
About 90 【佐藤】7
About 60 【渋谷】6
About 30 【松田】7
About 30 【斎藤】7
About 30 【前田】7
About 20 【金子】7
About 10 【鈴木】7
About 10 【稲葉】6
About 10 【遠藤】7
About 10 【武田】7
About 10 【田村】7
About 10 【土田】6
About 10 【水野】6
About 10 【芳田】5
Very rare 【安達】6
Very rare 【阿部】7
Very rare 【新宮】5
Very rare 【池田】7
Very rare 【衣袋】4
Very rare 【小林】7
Very rare 【熊谷】6
Very rare 【黒田】6
Very rare 【小金井】5
Very rare 【後藤】7
Very rare 【東海林】6
Very rare 【田作】3
Very rare 【堀米】5
Very rare 【三浦】7
Very rare 【村山】6
Very rare 【山田】7
Very rare 【渡辺】7
Very rare 【渡部】6