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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新潟県 長岡市 七日町の名字

About 200 【角山】5
About 150 【原】7
About 100 【小林】7
About 90 【大川】6
About 50 【渡辺】7
About 30 【池田】7
About 30 【和田】7
About 30 【長井】6
About 30 【山本】7
About 20 【江村】5
About 20 【大森】6
About 20 【鈴木】7
About 20 【細井】6
About 20 【青柳】6
About 20 【高橋】7
About 20 【平沢】6
About 20 【本田】6
About 20 【丸山】7
About 20 【矢野】6
About 10 【近藤】7
About 10 【佐藤】7
About 10 【田中】7
About 10 【中村】7
About 10 【布川】5
About 10 【平澤】5
Very rare 【五十嵐】6
Very rare 【稲波】4
Very rare 【今井】7
Very rare 【岩野】5
Very rare 【海津】5
Very rare 【江口】6
Very rare 【遠藤】7
Very rare 【大野】7
Very rare 【奥山】6
Very rare 【小黒】5
Very rare 【恩田】5
Very rare 【加藤】7
Very rare 【金子】7
Very rare 【樺沢】5
Very rare 【吉田】7
Very rare 【木村】7
Very rare 【古沢】6
Very rare 【斉藤】7
Very rare 【笹木】5
Very rare 【山内】6
Very rare 【茂野】5
Very rare 【新保】5
Very rare 【杉本】6
Very rare 【杉山】7
Very rare 【武田】7
Very rare 【田村】7
Very rare 【栃倉】3
Very rare 【長谷川】7
Very rare 【花沢】5
Very rare 【原田】7
Very rare 【平井】6
Very rare 【堀】6
Very rare 【三重堀】3
Very rare 【宮保】3
Very rare 【村山】6
Very rare 【若月】5