Etymology and distribution of 倉柳.

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 倉柳.

カンマ区切りで複数の名字を指定できます。

Etymology of 倉柳

Small area aggregation plots up top 5,000.

Exclude areas with less than about 20 corresponding surname.

Distribution of 倉柳
Ranking
0 大阪府 摂津市 別府(Very rare / Very rare)