Etymology and distribution of 柳井.

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!

「柳井」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 柳井

Distribution of 柳井
Ranking
1 Ooita-ken(0.126%)
2 Yamaguchi-ken(0.107%)
3 Shimane-ken(0.0528%)
4 Gunma-ken(0.0395%)
5 Okayama-ken(0.0258%)
6 Hiroshima-ken(0.0234%)
7 Kouchi-ken(0.0207%)
8 Fukuoka-ken(0.016%)
9 Hyougo-ken(0.0144%)
10 Saitama-ken(0.0128%)
11 Oosaka-fu(0.012%)
12 Kanagawa-ken(0.0108%)
13 Fukushima-ken(0.0106%)
14 Toukyou-to(0.0092%)
15 Miyazaki-ken(0.00814%)
16 Nara-ken(0.00742%)
17 Kagawa-ken(0.00726%)
18 Chiba-ken(0.00723%)
19 Kumamoto-ken(0.00684%)
20 Nagasaki-ken(0.00644%)
21 Tottori-ken(0.00545%)
22 Ibaraki-ken(0.00527%)
23 Mie-ken(0.00525%)
24 Kyouto-fu(0.00516%)
25 Aichi-ken(0.00444%)
26 Ehime-ken(0.00418%)
27 Gifu-ken(0.00339%)
28 Tochigi-ken(0.00311%)
29 Toyama-ken(0.00308%)
30 Kagoshima-ken(0.00305%)
31 Tokushima-ken(0.00281%)
32 Shizuoka-ken(0.00277%)
33 Hokkaidou(0.00216%)
34 Wakayama-ken(0.00205%)
35 Shiga-ken(0.00195%)
36 Fukui-ken(0.00191%)
37 Miyagi-ken(0.00146%)
38 Yamanashi-ken(0.00127%)
39 Saga-ken(0.000987%)
40 Okinawa-ken(0.000793%)
41 Ishikawa-ken(0.000683%)
42 Nagano-ken(0.000656%)
43 Iwate-ken(0.000571%)
44 Niigata-ken(0.000483%)
45 Yamagata-ken(0.000311%)
46 Aomori-ken(0.000262%)