Etymology and distribution of 二口.

The Japanese surnames etymology dictionary.
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在日通名大全

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「二口」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 二口

Distribution of 二口
Ranking
1 Toyama-ken(0.0589%)
2 Ishikawa-ken(0.0393%)
3 Hokkaidou(0.0081%)
4 Fukui-ken(0.00478%)
5 Nagasaki-ken(0.00283%)
6 Oosaka-fu(0.00219%)
7 Nara-ken(0.00208%)
8 Shiga-ken(0.00162%)
9 Chiba-ken(0.00141%)
10 Toukyou-to(0.00124%)
11 Kyouto-fu(0.00116%)
12 Miyagi-ken(0.00104%)
13 Saitama-ken(0.00103%)
14 Tochigi-ken(0.000887%)
15 Kanagawa-ken(0.000675%)
16 Aichi-ken(0.000672%)
17 Hyougo-ken(0.000575%)
18 Gifu-ken(0.000566%)
19 Saga-ken(0.000493%)
20 Niigata-ken(0.000483%)
21 Kumamoto-ken(0.000456%)
22 Mie-ken(0.000438%)
23 Hiroshima-ken(0.000433%)
24 Yamanashi-ken(0.000422%)
25 Kagoshima-ken(0.000407%)
26 Okayama-ken(0.000407%)
27 Gunma-ken(0.000405%)
28 Fukushima-ken(0.000402%)
29 Wakayama-ken(0.000342%)
30 Shizuoka-ken(0.000333%)
31 Ooita-ken(0.000322%)
32 Yamagata-ken(0.000311%)
33 Iwate-ken(0.000286%)
34 Ehime-ken(0.000246%)
35 Yamaguchi-ken(0.000239%)
36 Ibaraki-ken(0.000142%)
37 Fukuoka-ken(Very rare)