Etymology and distribution of 有道.

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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Ratio of 有道.

カンマ区切りで複数の名字を指定できます。

Etymology of 有道

Distribution of 有道
Ranking
1 Okayama-ken(0.00244%)
2 Kyouto-fu(0.00133%)
3 Yamaguchi-ken(0.00119%)
4 Toukyou-to(0.000149%)
5 Oosaka-fu(0.000115%)
6 Hyougo-ken(Very rare)
7 Kanagawa-ken(Very rare)