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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青森県 上北郡六戸町 犬落瀬金矢の名字

About 50 【山本】7
About 30 【坂本】7
About 20 【金崎】5
About 20 【金沢】6
About 20 【山辺】5
About 10 【杉山】7
About 10 【金渕】3
About 10 【村井】6
Very rare 【新田】6
Very rare 【野田頭】4