Etymology and distribution of 山之下.

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 山之下.

カンマ区切りで複数の名字を指定できます。

Etymology of 山之下

Distribution of 山之下
Ranking
1 Takayama-shi(About 30)
2 Nagoya-shi Moriyama-ku(About 10)
2 Wajima-shi(About 10)
4 Souka-shi(Very rare)
4 Toyama-shi(Very rare)
4 Shinshiro-shi(Very rare)
4 Shinagawa-ku(Very rare)
4 Yokohama-shi Tsudzuki-ku(Very rare)
4 Shibukawa-shi(Very rare)
4 Soo-gun Oosaki-chou(Very rare)