Etymology and distribution of 柴岡.

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!

「柴岡」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 柴岡

Distribution of 柴岡
Ranking
1 Kouchi-ken(About 400)
2 Saitama-ken(About 200)
3 Toukyou-to(About 70)
3 Okayama-ken(About 70)
3 Hokkaidou(About 70)
6 Oosaka-fu(About 60)
7 Gunma-ken(About 40)
8 Kanagawa-ken(About 40)
9 Fukuoka-ken(About 30)
9 Miyazaki-ken(About 30)
9 Miyagi-ken(About 30)
9 Chiba-ken(About 30)
13 Ibaraki-ken(About 20)
13 Yamaguchi-ken(About 20)
15 Ehime-ken(About 10)
16 Shiga-ken(About 10)
16 Okinawa-ken(About 10)
16 Aichi-ken(About 10)
16 Hiroshima-ken(About 10)
16 Nara-ken(About 10)
16 Kyouto-fu(About 10)
22 Nagano-ken(Very rare)
22 Fukui-ken(Very rare)
22 Ishikawa-ken(Very rare)
22 Tochigi-ken(Very rare)
22 Shimane-ken(Very rare)
22 Yamanashi-ken(Very rare)
22 Hyougo-ken(Very rare)