Etymology and distribution of 揚.

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
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Ratio of 揚.

カンマ区切りで複数の名字を指定できます。

Etymology of 揚

Distribution of 揚
Ranking
1 Kagawa-ken(0.00229%)
2 Hyougo-ken(0.000739%)
3 Shimane-ken(0.000463%)
4 Kouchi-ken(0.000431%)
5 Kanagawa-ken(0.000368%)
6 Toukyou-to(0.000348%)
7 Oosaka-fu(0.00023%)
8 Mie-ken(0.000219%)
9 Hiroshima-ken(0.000144%)
10 Shizuoka-ken(0.000111%)
11 Chiba-ken(Very rare)