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」さんの名字の分布数。

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(About 200)
2 Kasama-shi(About 30)
3 Hitachinaka-shi(About 20)
4 Funabashi-shi(About 10)
4 Nerima-ku(About 10)
6 Tokorozawa-shi(About 10)
6 Setagaya-ku(About 10)
6 Hitachi-shi(About 10)
9 Eniwa-shi(Very rare)
9 Sapporo-shi Nishi-ku(Very rare)
9 Chiba-shi Inage-ku(Very rare)
9 Ichihara-shi(Very rare)
9 Saitama-shi Minuma-ku(Very rare)
9 Hatsukaichi-shi(Very rare)
9 Mitaka-shi(Very rare)
9 Nakano-ku(Very rare)
9 Hachiouji-shi(Very rare)
9 Musashimurayama-shi(Very rare)
9 Koutou-ku(Very rare)
9 Choufu-shi(Very rare)
9 Sagamihara-shi(Very rare)
9 Yame-shi(Very rare)
9 Chikugo-shi(Very rare)
9 Hitachioomiya-shi(Very rare)
9 Sakuragawa-shi(Very rare)
9 Higashisonogi-gun Kawatana-chou(Very rare)