Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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千葉県 君津市 日渡根の名字

About 20 【石井】7
About 20 【石和田】4
About 20 【相川】6
About 10 【神子】4
About 10 【高橋】7
About 10 【溝口】6
About 10 【白井】6
Very rare 【粕谷】5
Very rare 【寺崎】5
Very rare 【水盛】3
Very rare 【柳井】5