Etymology and distribution of 徳成.

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 徳成.

カンマ区切りで複数の名字を指定できます。

Etymology of 徳成

Distribution of 徳成
Ranking
1 Ishikawa-ken(0.00512%)
2 Toyama-ken(0.00103%)
3 Kumamoto-ken(0.000913%)
4 Hokkaidou(0.000628%)
5 Fukuoka-ken(0.000494%)
6 Chiba-ken(0.000265%)
7 Kanagawa-ken(0.000245%)
8 Saitama-ken(0.00022%)
9 Gunma-ken(0.000203%)
10 Nagano-ken(0.000164%)
11 Aichi-ken(0.000134%)
12 Oosaka-fu(Very rare)
13 Toukyou-to(Very rare)