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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宮城県 本吉郡南三陸町 戸倉折立の名字

About 70 【佐藤】7
About 30 【佐々木】7
About 30 【須藤】6
About 20 【西条】5
About 10 【千葉】6
Very rare 【阿部】7
Very rare 【小山】6
Very rare 【主藤】4
Very rare 【星】6
Very rare 【元木】5