Etymology and distribution of 新岡.

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!

「新岡」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 新岡

Distribution of 新岡
Ranking
1 Aomori-ken(About 1,700)
2 Hokkaidou(About 1,300)
3 Toukyou-to(About 200)
4 Ehime-ken(About 200)
5 Kanagawa-ken(About 200)
5 Hiroshima-ken(About 200)
7 Saitama-ken(About 130)
8 Oosaka-fu(About 90)
9 Chiba-ken(About 80)
9 Hyougo-ken(About 80)
11 Yamaguchi-ken(About 70)
12 Akita-ken(About 60)
12 Aichi-ken(About 60)
14 Ibaraki-ken(About 40)
14 Miyagi-ken(About 40)
16 Kagawa-ken(About 30)
16 Fukuoka-ken(About 30)
18 Nara-ken(About 20)
18 Kyouto-fu(About 20)
20 Shizuoka-ken(About 20)
20 Gifu-ken(About 20)
22 Fukushima-ken(About 10)
22 Iwate-ken(About 10)
22 Miyazaki-ken(About 10)
22 Mie-ken(About 10)
26 Tottori-ken(About 10)
26 Nagano-ken(About 10)
26 Tochigi-ken(About 10)
26 Wakayama-ken(About 10)
30 Nagasaki-ken(Very rare)
30 Gunma-ken(Very rare)
30 Fukui-ken(Very rare)
30 Okayama-ken(Very rare)
30 Saga-ken(Very rare)