Etymology and distribution of 来米.

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

Ratio of 来米.

カンマ区切りで複数の名字を指定できます。

Etymology of 来米

Distribution of 来米
Ranking
1 Shimane-ken(0.00185%)
2 Kouchi-ken(0.00172%)
3 Nagano-ken(0.000164%)
4 Hyougo-ken(Very rare)
5 Kanagawa-ken(Very rare)
6 Oosaka-fu(Very rare)
7 Toukyou-to(Very rare)