Etymology and distribution of 粗.

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 粗.

カンマ区切りで複数の名字を指定できます。

Etymology of 粗

Distribution of 粗
Ranking
1 Ashikaga-shi(0.0201%)
2 Oura-gun Oura-machi(0.0145%)
3 Mooka-shi(0.00577%)
4 Asaka-shi(0.00515%)
5 Mobara-shi(0.00495%)
6 Tachikawa-shi(0.00334%)
7 Iwaki-shi(0.00229%)