Etymology and distribution of 国母.

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 国母.

カンマ区切りで複数の名字を指定できます。

Etymology of 国母

Distribution of 国母
Ranking
1 Mooka-shi(About 60)
2 Utsunomiya-shi(About 20)
3 Matsudo-shi(About 10)
4 Mito-shi(About 10)
5 Sapporo-shi Toyohira-ku(Very rare)
5 Saitama-shi Sakura-ku(Very rare)
5 Saitama-shi Midori-ku(Very rare)
5 Hasuda-shi(Very rare)
5 Taitou-ku(Very rare)
5 Kodaira-shi(Very rare)
5 Ootawara-shi(Very rare)
5 Haga-gun Mashiko-machi(Very rare)
5 Yokohama-shi Minami-ku(Very rare)
5 Yokohama-shi Kouhoku-ku(Very rare)
5 Chikusei-shi(Very rare)