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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高知県 吾川郡いの町 柳瀬石見の名字

About 30 【大原】6
About 10 【宮地】6
Very rare 【北川】6
Very rare 【高橋】7
Very rare 【堀地】4
Very rare 【柳瀬】5