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

兵庫県 宍粟市 日ノ原の名字

About 40 【坂口】6
About 20 【森本】6
About 10 【小林】7
About 10 【阪口】5
Very rare 【大部】5
Very rare 【吹】2