Etymology and distribution of 烏帽子.

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 烏帽子.

カンマ区切りで複数の名字を指定できます。

Etymology of 烏帽子

Distribution of 烏帽子
Ranking
1 Uda-shi(About 10)
1 Hioki-shi(About 10)
3 Wakkanai-shi(About 10)
3 Yoshino-gun Higashiyoshino-mura(About 10)
5 Nagareyama-shi(Very rare)
5 Fukuoka-shi Sawara-ku(Very rare)
5 Kagoshima-shi(Very rare)