Etymology and distribution of 鉤.

The Japanese surnames etymology dictionary.
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Ratio of 鉤.

カンマ区切りで複数の名字を指定できます。

Etymology of 鉤

Distribution of 鉤
Ranking
1 Shiga-ken(0.00325%)
2 Kyouto-fu(0.000665%)
3 Hyougo-ken(Very rare)
4 Aichi-ken(Very rare)
5 Kanagawa-ken(Very rare)
6 Oosaka-fu(Very rare)
7 Toukyou-to(Very rare)