Etymology and distribution of 脇口.

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!

「脇口」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 脇口

Distribution of 脇口
Ranking
1 Higashimuro-gun Nachikatsuura-chou(About 50)
2 Takayama-shi(About 20)
3 Hayami-gun Hiji-machi(About 10)
3 Shizuoka-shi(About 10)
5 Koube-shi Nagata-ku(About 10)
5 Yokosuka-shi(About 10)
5 Nagasaki-shi(About 10)
5 Ueda-shi(About 10)
5 Nagano-shi(About 10)
10 Matsusaka-shi(Very rare)
10 Tsu-shi(Very rare)
10 Akashi-shi(Very rare)
10 Shinguu-shi(Very rare)
10 Arida-shi(Very rare)
10 Kainan-shi(Very rare)
10 Oosaka-shi Nishiyodogawa-ku(Very rare)
10 Oosaka-shi Miyakojima-ku(Very rare)
10 Kushima-shi(Very rare)
10 Okayama-shi(Very rare)
10 Takehara-shi(Very rare)
10 Uwajima-shi(Very rare)
10 Matsuyama-shi(Very rare)
10 Nagoya-shi Higashi-ku(Very rare)
10 Minato-ku(Very rare)
10 Higashishirakawa-gun Yamatsuri-machi(Very rare)
10 Oomura-shi(Very rare)