Etymology and distribution of 一口.

The Japanese surnames etymology dictionary.
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在日通名大全

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「一口」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 一口

Distribution of 一口
Ranking
1 Mukou-shi(About 30)
2 Ashikita-gun Ashikita-machi(About 10)
3 Hirakata-shi(About 10)
3 Kumamoto-shi(About 10)
3 Tsuruga-shi(About 10)
3 Fukuoka-shi Chuuou-ku(About 10)
3 Fukuoka-shi Sawara-ku(About 10)
8 Kyouto-shi Minami-ku(Very rare)
8 Kyouto-shi Nishikyou-ku(Very rare)
8 Koube-shi Nishi-ku(Very rare)
8 Muroran-shi(Very rare)
8 Ikoma-gun Ando-chou(Very rare)
8 Kobayashi-shi(Very rare)
8 Miyakonojou-shi(Very rare)
8 Asakuchi-gun Satoshou-chou(Very rare)
8 Nagoya-shi Nakamura-ku(Very rare)
8 Chita-shi(Very rare)
8 Tochigi-shi(Very rare)
8 Kamimashiki-gun Kousa-machi(Very rare)
8 Koushi-shi(Very rare)
8 Sagamihara-shi(Very rare)
8 Yanagawa-shi(Very rare)