Etymology and distribution of 赤渕.

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

Ratio of 赤渕.

カンマ区切りで複数の名字を指定できます。

Etymology of 赤渕

Distribution of 赤渕
Ranking
1 Iwate-ken(0.00143%)
2 Shiga-ken(0.0013%)
3 Hokkaidou(0.000698%)
4 Aomori-ken(0.000524%)
5 Kyouto-fu(0.000499%)
6 Wakayama-ken(0.000342%)
7 Shizuoka-ken(0.000333%)
8 Mie-ken(0.000219%)
9 Kagoshima-ken(0.000203%)
10 Saitama-ken(0.000147%)
11 Aichi-ken(Very rare)