Etymology and distribution of 山井.

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!

「山井」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 山井

Distribution of 山井
Ranking
1 Niigata-ken(0.0293%)
2 Tochigi-ken(0.024%)
3 Toyama-ken(0.00924%)
4 Ishikawa-ken(0.00717%)
5 Iwate-ken(0.00657%)
6 Toukyou-to(0.00527%)
7 Hiroshima-ken(0.00447%)
8 Kanagawa-ken(0.00417%)
9 Yamaguchi-ken(0.00406%)
10 Nagasaki-ken(0.00387%)
11 Wakayama-ken(0.00377%)
12 Hyougo-ken(0.0032%)
13 Saitama-ken(0.00308%)
14 Hokkaidou(0.00265%)
15 Oosaka-fu(0.00236%)
16 Kyouto-fu(0.00233%)
17 Chiba-ken(0.00229%)
18 Ooita-ken(0.00193%)
19 Fukuoka-ken(0.00168%)
20 Shiga-ken(0.00162%)
21 Aichi-ken(0.00161%)
22 Kumamoto-ken(0.0016%)
23 Mie-ken(0.00153%)
24 Nara-ken(0.00148%)
25 Gunma-ken(0.00142%)
26 Tokushima-ken(0.0014%)
27 Nagano-ken(0.00131%)
28 Okayama-ken(0.00122%)
29 Fukushima-ken(0.0012%)
30 Kagawa-ken(0.00115%)
31 Ibaraki-ken(0.00114%)
32 Gifu-ken(0.00113%)
33 Saga-ken(0.000987%)
34 Shizuoka-ken(0.000888%)
35 Yamanashi-ken(0.000844%)
36 Ehime-ken(0.000492%)
37 Miyagi-ken(0.000417%)
38 Kagoshima-ken(0.000407%)
39 Miyazaki-ken(0.000339%)
40 Yamagata-ken(0.000311%)
41 Aomori-ken(0.000262%)