Etymology and distribution of 組原.

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 組原.

カンマ区切りで複数の名字を指定できます。

Etymology of 組原

Distribution of 組原
Ranking
1 Mikata-gun Shin'onsen-chou(0.0183%)
2 Arao-shi(0.00677%)
3 Oosaka-shi Higashinari-ku(0.00651%)
4 Kodaira-shi(0.00341%)
5 Atsugi-shi(0.00257%)
6 Tottori-shi(0.00197%)
7 Ichikawa-shi(0.00132%)