Etymology and distribution of 外内.

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!

「外内」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 外内

Distribution of 外内
Ranking
1 Ooshima-gun Kikai-chou(About 30)
2 Sado-shi(About 30)
3 Niigata-shi(About 10)
3 Toshima-ku(About 10)
3 Takasaki-shi(About 10)
6 Obihiro-shi(About 10)
6 Yao-shi(About 10)
6 Sakai-shi(About 10)
6 Higashioosaka-shi(About 10)
6 Tenri-shi(About 10)
6 Kagoshima-shi(About 10)
6 Kanoya-shi(About 10)
13 Souraku-gun Seika-chou(Very rare)
13 Itami-shi(Very rare)
13 Tokachishi-chou Honbetsu-chou(Very rare)
13 Shiribeshishi-chou Furubira-chou(Very rare)
13 Muroran-shi(Very rare)
13 Iwamizawa-shi(Very rare)
13 Sapporo-shi Nishi-ku(Very rare)
13 Ichikawa-shi(Very rare)
13 Kashiwa-shi(Very rare)
13 Funabashi-shi(Very rare)
13 Saitama-shi Kita-ku(Very rare)
13 Ageo-shi(Very rare)
13 Kitamoto-shi(Very rare)
13 Kawaguchi-shi(Very rare)
13 Kawagoe-shi(Very rare)
13 Kishiwada-shi(Very rare)
13 Toyonaka-shi(Very rare)
13 Sendai-shi Izumi-ku(Very rare)
13 Morioka-shi(Very rare)
13 Taitou-ku(Very rare)
13 Suginami-ku(Very rare)
13 Machida-shi(Very rare)
13 Nishitoukyou-shi(Very rare)
13 Adachi-ku(Very rare)
13 Yatsushiro-shi(Very rare)
13 Sagamihara-shi(Very rare)
13 Oomuta-shi(Very rare)
13 Chikujou-gun Yoshitomi-machi(Very rare)
13 Moriya-shi(Very rare)
13 Amami-shi(Very rare)
13 Kumage-gun Yakushima-chou(Very rare)