Etymology and distribution of 来代.

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 来代.

カンマ区切りで複数の名字を指定できます。

Etymology of 来代

Distribution of 来代
Ranking
1 Tokushima-ken(About 100)
2 Oosaka-fu(About 30)
3 Toukyou-to(About 20)
4 Hyougo-ken(About 10)
4 Kanagawa-ken(About 10)
4 Kagawa-ken(About 10)
7 Kyouto-fu(About 10)
8 Wakayama-ken(Very rare)
8 Saitama-ken(Very rare)
8 Ehime-ken(Very rare)
8 Ibaraki-ken(Very rare)
8 Kouchi-ken(Very rare)