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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岡山県 総社市 黒田の名字

About 50 【大熊】6
About 40 【近藤】7
About 20 【白神】5
Very rare 【石井】7
Very rare 【銭坪】3
Very rare 【横溝】5