Etymology and distribution of 鵜頭.

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

Popuration of 鵜頭.

カンマ区切りで複数の名字を指定できます。

Etymology of 鵜頭

Distribution of 鵜頭
Ranking
1 Niigata-ken(About 50)
2 Kyouto-fu(About 10)
2 Ehime-ken(About 10)
4 Hokkaidou(About 10)
4 Chiba-ken(About 10)
4 Saitama-ken(About 10)
7 Hyougo-ken(Very rare)
7 Oosaka-fu(Very rare)
7 Shiga-ken(Very rare)
7 Kagawa-ken(Very rare)