Etymology and distribution of 柳口.

The Japanese surnames etymology dictionary.
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在日通名大全

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「柳口」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 柳口

Distribution of 柳口
Ranking
1 Kaifu-gun Kaiyou-chou(0.0473%)
2 Sakaide-shi(0.019%)
3 Kikuchi-gun Kikuyou-machi(0.0167%)
4 Shisou-shi(0.0148%)
5 Akou-shi(0.014%)
6 Yatsushiro-shi(0.0117%)
7 Aioi-shi(0.0102%)
8 Kashihara-shi(0.0071%)
9 Beppu-shi(0.00667%)
10 Kasuga-shi(0.00584%)
11 Nichinan-shi(0.00555%)
12 Koube-shi Chuuou-ku(0.00487%)
13 Fukuchiyama-shi(0.00447%)
14 Tottori-shi(0.00394%)
15 Marugame-shi(0.00366%)
16 Koube-shi Suma-ku(0.00273%)
17 Nagasaki-shi(0.00255%)
18 Takaradzuka-shi(0.00224%)
19 Tokushima-shi(0.00167%)
20 Akashi-shi(0.00163%)
21 Toyota-shi(0.00121%)