Etymology and distribution of 今井.

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!

「今井」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 今井

Distribution of 今井
Ranking
1 Gifu-ken(0.564%)
2 Niigata-ken(0.477%)
3 Gunma-ken(0.458%)
4 Nagano-ken(0.387%)
5 Shiga-ken(0.329%)
6 Kyouto-fu(0.267%)
7 Toyama-ken(0.235%)
8 Ehime-ken(0.223%)
9 Yamagata-ken(0.221%)
10 Chiba-ken(0.217%)
11 Kanagawa-ken(0.21%)
12 Saitama-ken(0.206%)
13 Aichi-ken(0.206%)
14 Ishikawa-ken(0.185%)
15 Toukyou-to(0.185%)
16 Hyougo-ken(0.161%)
17 Hokkaidou(0.154%)
18 Oosaka-fu(0.153%)
19 Aomori-ken(0.152%)
20 Okayama-ken(0.15%)
21 Mie-ken(0.14%)
22 Nara-ken(0.138%)
23 Yamanashi-ken(0.129%)
24 Kouchi-ken(0.115%)
25 Hiroshima-ken(0.113%)
26 Kagawa-ken(0.112%)
27 Tochigi-ken(0.11%)
28 Fukui-ken(0.0937%)
29 Yamaguchi-ken(0.0831%)
30 Shizuoka-ken(0.08%)
31 Ibaraki-ken(0.0768%)
32 Ooita-ken(0.0766%)
33 Fukushima-ken(0.0749%)
34 Wakayama-ken(0.0719%)
35 Miyazaki-ken(0.0638%)
36 Fukuoka-ken(0.0621%)
37 Tottori-ken(0.0612%)
38 Miyagi-ken(0.0569%)
39 Kagoshima-ken(0.0492%)
40 Akita-ken(0.0489%)
41 Shimane-ken(0.0472%)
42 Kumamoto-ken(0.0424%)
43 Nagasaki-ken(0.0423%)
44 Tokushima-ken(0.0417%)
45 Saga-ken(0.0296%)
46 Iwate-ken(0.012%)
47 Okinawa-ken(0.00872%)