Etymology and distribution of 友安.

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
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「友安」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 友安

Distribution of 友安
Ranking
1 Hiroshima-ken(About 300)
2 Fukuoka-ken(About 100)
3 Yamaguchi-ken(About 90)
4 Hyougo-ken(About 80)
5 Hokkaidou(About 50)
6 Oosaka-fu(About 50)
7 Kanagawa-ken(About 30)
7 Toukyou-to(About 30)
9 Fukui-ken(About 30)
9 Aichi-ken(About 30)
11 Shizuoka-ken(About 20)
11 Saitama-ken(About 20)
13 Miyazaki-ken(About 20)
13 Ooita-ken(About 20)
15 Ishikawa-ken(About 10)
15 Okayama-ken(About 10)
15 Chiba-ken(About 10)
18 Kagawa-ken(About 10)
18 Ibaraki-ken(About 10)
18 Shiga-ken(About 10)
18 Ehime-ken(About 10)
18 Tokushima-ken(About 10)
18 Gifu-ken(About 10)
18 Mie-ken(About 10)
25 Tochigi-ken(Very rare)
25 Niigata-ken(Very rare)
25 Yamanashi-ken(Very rare)
25 Kyouto-fu(Very rare)