Etymology and distribution of 才畑.

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 才畑.

カンマ区切りで複数の名字を指定できます。

Etymology of 才畑

Distribution of 才畑
Ranking
1 Kumamoto-ken(0.000684%)
2 Fukuoka-ken(0.000395%)
3 Ooita-ken(0.000322%)
4 Hyougo-ken(Very rare)