Etymology and distribution of 鍵原.

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

Ratio of 鍵原.

カンマ区切りで複数の名字を指定できます。

Etymology of 鍵原

Distribution of 鍵原
Ranking
1 Nagasaki-ken(0.00232%)
2 Fukui-ken(0.00143%)
3 Hiroshima-ken(0.0013%)
4 Ehime-ken(0.000984%)
5 Kyouto-fu(0.000499%)
6 Yamaguchi-ken(0.000478%)
7 Oosaka-fu(0.000461%)
8 Hokkaidou(0.000279%)
9 Niigata-ken(0.000161%)
10 Toukyou-to(0.000149%)
11 Aichi-ken(0.000134%)
12 Kanagawa-ken(Very rare)