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
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Popuration 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(About 50)
2 Kyouto-fu(About 10)
2 Kumamoto-ken(About 10)
4 Mie-ken(Very rare)
4 Hyougo-ken(Very rare)
4 Fukuoka-ken(Very rare)