Etymology and distribution of 万井.

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!

「万井」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 万井

Distribution of 万井
Ranking
1 Oosaka-shi Higashiyodogawa-ku(About 30)
2 Higashichikuma-gun Chikuhoku-mura(About 30)
3 Kyouto-shi Nishikyou-ku(About 10)
3 Takatsuki-shi(About 10)
5 Kyouto-shi Sakyou-ku(About 10)
5 Oosaka-shi Nishinari-ku(About 10)
5 Higashioosaka-shi(About 10)
5 Toyonaka-shi(About 10)
5 Yoshino-gun Higashiyoshino-mura(About 10)
5 Meguro-ku(About 10)
5 Yasu-shi(About 10)
12 Kyouto-shi Higashiyama-ku(Very rare)
12 Nagaokakyou-shi(Very rare)
12 Kakogawa-shi(Very rare)
12 Koube-shi Chuuou-ku(Very rare)
12 Koube-shi Nishi-ku(Very rare)
12 Nishiwaki-shi(Very rare)
12 Ichikawa-shi(Very rare)
12 Saitama-shi Minuma-ku(Very rare)
12 Souka-shi(Very rare)
12 Warabi-shi(Very rare)
12 Mishima-gun Shimamoto-chou(Very rare)
12 Suita-shi(Very rare)
12 Daitou-shi(Very rare)
12 Oosaka-shi Higashisumiyoshi-ku(Very rare)
12 Oosaka-shi Minato-ku(Very rare)
12 Oosaka-shi Ikuno-ku(Very rare)
12 Kashiwara-shi(Very rare)
12 Mimasaka-shi(Very rare)
12 Yasugi-shi(Very rare)
12 Ama-shi(Very rare)
12 Chita-shi(Very rare)
12 Fuchuu-shi(Very rare)
12 Kawasaki-shi Asao-ku(Very rare)
12 Yokohama-shi Kanazawa-ku(Very rare)
12 Matsumoto-shi(Very rare)