Etymology and distribution of 外戸.

The Japanese surnames etymology dictionary.
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Popuration of 外戸.

カンマ区切りで複数の名字を指定できます。

Etymology of 外戸

Distribution of 外戸
Ranking
1 Nagano-ken(About 30)
2 Fukuoka-ken(About 10)
3 Aichi-ken(About 10)
4 Hokkaidou(Very rare)
4 Oosaka-fu(Very rare)
4 Miyazaki-ken(Very rare)
4 Toukyou-to(Very rare)
4 Kanagawa-ken(Very rare)
4 Gunma-ken(Very rare)