Etymology and distribution of 七山.

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!

「七山」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 七山

Distribution of 七山
Ranking
1 Nanto-shi(About 70)
2 Kitami-shi(About 30)
3 Oomura-shi(About 20)
4 Toyama-shi(About 10)
4 Kanazawa-shi(About 10)
6 Koube-shi Nishi-ku(About 10)
6 Chiba-shi Hanamigawa-ku(About 10)
6 Oosaka-shi Abeno-ku(About 10)
6 Higashiyamato-shi(About 10)
6 Akita-shi(About 10)
11 Kyouto-shi Fushimi-ku(Very rare)
11 Nagaokakyou-shi(Very rare)
11 Koube-shi Tarumi-ku(Very rare)
11 Chitose-shi(Very rare)
11 Sapporo-shi Toyohira-ku(Very rare)
11 Tomakomai-shi(Very rare)
11 Oosaka-shi Higashinari-ku(Very rare)
11 Oosaka-shi Higashiyodogawa-ku(Very rare)
11 Tonami-shi(Very rare)
11 Houfu-shi(Very rare)
11 Nagoya-shi Tenpaku-ku(Very rare)
11 Shinagawa-ku(Very rare)
11 Hikone-shi(Very rare)
11 Nonoichi-shi(Very rare)
11 Onga-gun Ashiya-machi(Very rare)
11 Iwaki-shi(Very rare)
11 Chiisagata-gun Nagawa-machi(Very rare)