Etymology and distribution of 則.

The Japanese surnames etymology dictionary.
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在日通名大全

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「則」さんの名字の分布比率。

カンマ区切りで複数の名字を指定できます。

Etymology of 則

Distribution of 則
Ranking
1 Amami-shi(0.0625%)
2 Shimanto-shi(0.0593%)
3 Ooshima-gun Tatsugou-chou(0.0532%)
4 Ooshima-gun Wadomari-chou(0.0395%)
5 Toyoake-shi(0.00723%)
6 Soo-shi(0.00679%)
7 Kinokawa-shi(0.0051%)
8 Yokohama-shi Tsudzuki-ku(0.00441%)
9 Koube-shi Hyougo-ku(0.00427%)
10 Misato-shi(0.00419%)
11 Kadoma-shi(0.0039%)
12 Kodaira-shi(0.00341%)
13 Moriguchi-shi(0.00323%)
14 Kawasaki-shi Nakahara-ku(0.00306%)
15 Anjou-shi(0.00296%)
16 Sapporo-shi Shiroishi-ku(0.00274%)
17 Oota-ku(0.00187%)
18 Koutou-ku(0.00156%)
19 Nerima-ku(0.00105%)
20 Takamatsu-shi(0.00104%)
21 Adachi-ku(0.000917%)
22 Setagaya-ku(0.000814%)
23 Kumamoto-shi(0.00068%)