Etymology and distribution of 道苗.

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 道苗.

カンマ区切りで複数の名字を指定できます。

Etymology of 道苗

Distribution of 道苗
Ranking
1 Kaga-shi(0.0104%)
2 Oosaka-shi Nishinari-ku(0.00506%)
3 Komatsu-shi(0.00362%)
4 Takaoka-shi(0.00204%)
5 Higashioosaka-shi(0.000934%)