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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茨城県 筑西市 井出蛯沢の名字

About 200 【枝】5
About 70 【館野】5
About 60 【植木】6
About 40 【新井】6
About 40 【木城】4
About 40 【古谷野】4
About 30 【斎藤】7
About 30 【稲見】5
About 30 【野沢】6
About 20 【飯泉】5
About 20 【小島】7
About 20 【菊地】6
About 20 【中沢】6
About 20 【野澤】5
About 20 【大森】6
About 20 【川島】6
About 20 【坂入】5
About 20 【鈴木】7
About 20 【舘野】5
About 20 【中澤】6
About 10 【塚越】5
About 10 【林】7
About 10 【藤田】7
About 10 【松本】7
About 10 【井澤】5
About 10 【稲葉】6
About 10 【小川】7
About 10 【里村】5
About 10 【関口】6
About 10 【谷島】5
About 10 【真岡】3
About 10 【向坪】3
About 10 【森井】5
About 10 【矢本】5
Very rare 【阿久井】4
Very rare 【有田】6
Very rare 【井沢】5
Very rare 【海老澤】5
Very rare 【及川】6
Very rare 【大塚】6
Very rare 【小倉】6
Very rare 【小古瀬】3
Very rare 【小谷野】5
Very rare 【菊池】6
Very rare 【吉田】7
Very rare 【木村】7
Very rare 【下条】5
Very rare 【桜井】6
Very rare 【佐藤】7
Very rare 【水上】6
Very rare 【田嵜】3
Very rare 【田野】5
Very rare 【塚田】6
Very rare 【中島】7
Very rare 【仁平】5
Very rare 【早瀬】5
Very rare 【深谷】6
Very rare 【渡辺】7