Etymology and distribution of 内丸.

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

Popuration of 内丸.

カンマ区切りで複数の名字を指定できます。

Etymology of 内丸

Distribution of 内丸
Ranking
1 Fukuoka-ken(About 300)
2 Ooita-ken(About 40)
3 Kagoshima-ken(About 30)
4 Toukyou-to(About 30)
5 Oosaka-fu(About 20)
5 Miyazaki-ken(About 20)
7 Hyougo-ken(About 20)
7 Saitama-ken(About 20)
9 Chiba-ken(About 10)
9 Hiroshima-ken(About 10)
11 Aichi-ken(About 10)
11 Kanagawa-ken(About 10)
11 Shizuoka-ken(About 10)
14 Mie-ken(Very rare)
14 Miyagi-ken(Very rare)
14 Yamaguchi-ken(Very rare)
14 Kumamoto-ken(Very rare)
14 Ibaraki-ken(Very rare)
14 Aomori-ken(Very rare)
14 Tottori-ken(Very rare)