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
↑オフライン検索できるアプリもどうぞ

山形県 酒田市 草津豊田の名字

About 50 【小松】6
About 20 【曽川】4
Very rare 【池田】7
Very rare 【日下】6
Very rare 【後藤】7
Very rare 【兵藤】5