Etymology and distribution of 備後.

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!

「備後」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 備後

Distribution of 備後
Ranking
1 Ishikawa-ken(About 200)
2 Oosaka-fu(About 200)
3 Nara-ken(About 70)
4 Hiroshima-ken(About 70)
5 Akita-ken(About 40)
6 Kumamoto-ken(About 40)
6 Niigata-ken(About 40)
8 Kanagawa-ken(About 30)
8 Toukyou-to(About 30)
8 Hyougo-ken(About 30)
11 Hokkaidou(About 20)
12 Kyouto-fu(About 20)
13 Nagano-ken(About 10)
13 Ibaraki-ken(About 10)
13 Shiga-ken(About 10)
13 Shimane-ken(About 10)
17 Gunma-ken(About 10)
17 Aichi-ken(About 10)
17 Toyama-ken(About 10)
17 Chiba-ken(About 10)
21 Shizuoka-ken(Very rare)
21 Nagasaki-ken(Very rare)
21 Fukuoka-ken(Very rare)
21 Fukui-ken(Very rare)
21 Okinawa-ken(Very rare)
21 Ehime-ken(Very rare)
21 Miyazaki-ken(Very rare)
21 Saitama-ken(Very rare)
21 Wakayama-ken(Very rare)