Etymology and distribution of 白米.

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
↑オフライン検索できるアプリもどうぞ

Popuration of 白米.

カンマ区切りで複数の名字を指定できます。

Etymology of 白米

Distribution of 白米
Ranking
1 Hiroshima-ken(About 30)
2 Mie-ken(About 20)
3 Hokkaidou(About 10)
3 Ishikawa-ken(About 10)
5 Chiba-ken(About 10)
6 Kyouto-fu(Very rare)
6 Hyougo-ken(Very rare)
6 Yamaguchi-ken(Very rare)
6 Aichi-ken(Very rare)
6 Toukyou-to(Very rare)
6 Kanagawa-ken(Very rare)