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

青森県 中津軽郡西目屋村 大秋都谷森の名字

About 30 【沢田】6
About 20 【桑田】6
About 10 【前山】5
Very rare 【三上】6