Etymology and distribution of 叢.

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 叢.

カンマ区切りで複数の名字を指定できます。

Etymology of 叢

Distribution of 叢
Ranking
1 Kuga-gun Waki-chou(0.0541%)
2 Hidaka-gun Inami-chou(0.034%)
3 Shimoniikawa-gun Nyuuzen-machi(0.0121%)
4 Nakatsu-shi(0.00894%)
5 Kainan-shi(0.00565%)
6 Oosaka-shi Abeno-ku(0.00532%)
7 Yokohama-shi Seya-ku(0.00423%)
8 Misato-shi(0.00419%)
9 Fujisawa-shi(0.004%)
10 Kumamoto-shi(0.0034%)
11 Kasukabe-shi(0.00213%)
12 Yokohama-shi Totsuka-ku(0.0021%)
13 Yokohama-shi Asahi-ku(0.00199%)
14 Tsu-shi(0.00147%)