Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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日本姓氏語源辞典 第三版
在日通名大全

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群馬県 富岡市 下丹生の名字

About 200 【松本】7
About 70 【大手】4
About 50 【岩井】6
About 40 【柳田】6
About 40 【植松】6
About 40 【吉田】7
About 30 【赤尾】5
About 30 【須藤】6
About 30 【町田】6
About 30 【野口】6
About 30 【石田】7
About 30 【大塚】6
About 20 【新井】6
About 20 【飯野】6
About 20 【佐藤】7
About 20 【茂木】6
About 20 【関口】6
About 20 【高橋】7
About 20 【石井】7
About 10 【桜井】6
About 10 【田島】6
About 10 【田辺】6
About 10 【堀口】6
About 10 【横田】6
About 10 【渡辺】7
About 10 【有馬】6
About 10 【磯貝】5
About 10 【今井】7
About 10 【臼田】5
About 10 【浦野】6
About 10 【小林】7
About 10 【清水】7
About 10 【黒沢】6
About 10 【小菅】6
About 10 【斎藤】7
About 10 【瀬間】4
About 10 【黛】5
About 10 【見友】3
About 10 【矢島】6
About 10 【山崎】7
About 10 【湯沢】5
About 10 【横尾】6
Very rare 【青木】7
Very rare 【浅香】5
Very rare 【浅川】6
Very rare 【安田】6
Very rare 【井上】7
Very rare 【五十嵐】6
Very rare 【依田】6
Very rare 【井出】6
Very rare 【大井】6
Very rare 【大河原】5
Very rare 【加庭】3
Very rare 【神小柴】2
Very rare 【神成】5
Very rare 【神戸】5
Very rare 【近田】5
Very rare 【黒崎】6
Very rare 【黒澤】5
Very rare 【小井土】4
Very rare 【肥田】5
Very rare 【下山】6
Very rare 【佐々木】7
Very rare 【佐俣】4
Very rare 【白鷹】3
Very rare 【鈴木】7
Very rare 【武田】7
Very rare 【棚橋】5
Very rare 【田宮】5
Very rare 【鶴田】6
Very rare 【萩原】6
Very rare 【笛木】5
Very rare 【伏田】4
Very rare 【本多】6
Very rare 【三浦】7
Very rare 【三ツ木】5
Very rare 【村田】7
Very rare 【山本】7
Very rare 【湯浅】6
Very rare 【由田】4
Very rare 【渡】5