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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愛知県 知多郡南知多町 豊丘向海戸の名字

About 40 【滝本】6
About 30 【鈴木】7
About 20 【山本】7
About 20 【斎藤】7
About 10 【塚本】6
Very rare 【斉藤】7
Very rare 【竹本】6