Etymology and distribution of 金釘.

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 金釘.

カンマ区切りで複数の名字を指定できます。

Etymology of 金釘

Distribution of 金釘
Ranking
1 Oosaka-fu(0.000633%)
2 Kumamoto-ken(0.000456%)
3 Kyouto-fu(0.000333%)
4 Mie-ken(0.000219%)
5 Fukuoka-ken(Very rare)
6 Hyougo-ken(Very rare)