Etymology and distribution of 龍頭.

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
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「龍頭」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 龍頭

Distribution of 龍頭
Ranking
1 Kurume-shi(About 200)
2 Tosu-shi(About 70)
3 Ukiha-shi(About 20)
4 Nagasaki-shi(About 20)
5 Kitakyuushuu-shi Yahatanishi-ku(About 10)
6 Mizunami-shi(About 10)
6 Oyama-shi(About 10)
6 Kumamoto-shi(About 10)
6 Yame-shi(About 10)
6 Chikugo-shi(About 10)
6 Chikushino-shi(About 10)
12 Kameoka-shi(Very rare)
12 Miyaki-gun Kiyama-chou(Very rare)
12 Saga-shi(Very rare)
12 Kitaadachi-gun Ina-machi(Very rare)
12 Kumagaya-shi(Very rare)
12 Naha-shi(Very rare)
12 Konan-shi(Very rare)
12 Tsuruga-shi(Very rare)
12 Koga-shi(Very rare)
12 Oonojou-shi(Very rare)
12 Dazaifu-shi(Very rare)
12 Ogoori-shi(Very rare)
12 Fukuoka-shi Hakata-ku(Very rare)
12 Onga-gun Onga-chou(Very rare)
12 Minamishimabara-shi(Very rare)
12 Aomori-shi(Very rare)
12 Numadzu-shi(Very rare)