Etymology and distribution of 西口.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「西口」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 西口

Distribution of 西口
Ranking
1 Oosaka-fu(About 7,500)
2 Mie-ken(About 2,700)
3 Hyougo-ken(About 2,600)
4 Nara-ken(About 1,800)
5 Kyouto-fu(About 1,100)
6 Wakayama-ken(About 1,000)
7 Kumamoto-ken(About 800)
8 Aichi-ken(About 700)
9 Hokkaidou(About 700)
10 Toukyou-to(About 600)
11 Kanagawa-ken(About 500)
12 Nagasaki-ken(About 500)
13 Shiga-ken(About 400)
14 Ishikawa-ken(About 400)
15 Fukuoka-ken(About 400)
16 Hiroshima-ken(About 400)
17 Ehime-ken(About 300)
17 Saitama-ken(About 300)
19 Gifu-ken(About 300)
20 Kagawa-ken(About 300)
21 Chiba-ken(About 300)
22 Tokushima-ken(About 200)
23 Kagoshima-ken(About 200)
24 Fukui-ken(About 200)
25 Tottori-ken(About 200)
26 Miyazaki-ken(About 200)
27 Okayama-ken(About 200)
28 Yamaguchi-ken(About 120)
29 Shizuoka-ken(About 100)
29 Aomori-ken(About 100)
31 Ooita-ken(About 90)
32 Gunma-ken(About 80)
33 Saga-ken(About 70)
34 Kouchi-ken(About 70)
34 Nagano-ken(About 70)
34 Ibaraki-ken(About 70)
37 Toyama-ken(About 60)
38 Tochigi-ken(About 50)
39 Fukushima-ken(About 40)
40 Shimane-ken(About 30)
41 Yamanashi-ken(About 30)
42 Niigata-ken(About 20)
42 Miyagi-ken(About 20)
44 Iwate-ken(About 10)
45 Okinawa-ken(Very rare)