Etymology and distribution of 七字.

The Japanese surnames etymology dictionary.
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在日通名大全

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「七字」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 七字

Distribution of 七字
Ranking
1 Mito-shi(0.0657%)
2 Kasama-shi(0.0288%)
3 Higashisonogi-gun Kawatana-chou(0.0255%)
4 Hitachinaka-shi(0.014%)
5 Chikugo-shi(0.00959%)
6 Musashimurayama-shi(0.00772%)
7 Sakuragawa-shi(0.00752%)
8 Hitachioomiya-shi(0.00695%)
9 Eniwa-shi(0.0065%)
10 Yame-shi(0.00523%)
11 Hatsukaichi-shi(0.00424%)
12 Hitachi-shi(0.00369%)
13 Chiba-shi Inage-ku(0.00367%)
14 Saitama-shi Minuma-ku(0.00355%)
15 Mitaka-shi(0.00343%)
16 Tokorozawa-shi(0.00323%)
17 Nerima-ku(0.00314%)
18 Funabashi-shi(0.00286%)
19 Choufu-shi(0.00286%)
20 Sapporo-shi Nishi-ku(0.0024%)
21 Nakano-ku(0.00216%)
22 Ichihara-shi(0.00181%)
23 Setagaya-ku(0.00163%)
24 Koutou-ku(0.00156%)
25 Hachiouji-shi(0.00102%)
26 Sagamihara-shi(0.000829%)