Etymology and distribution of 吐山.

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
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Popuration of 吐山.

カンマ区切りで複数の名字を指定できます。

Etymology of 吐山

Distribution of 吐山
Ranking
1 Nara-ken(About 40)
2 Oosaka-fu(About 20)
3 Kyouto-fu(About 10)
3 Gifu-ken(About 10)
5 Hyougo-ken(Very rare)
5 Hokkaidou(Very rare)
5 Okayama-ken(Very rare)
5 Tokushima-ken(Very rare)
5 Toukyou-to(Very rare)
5 Kagawa-ken(Very rare)