Etymology and distribution of 和久井.

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!

「和久井」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 和久井

Distribution of 和久井
Ranking
1 Tochigi-ken(0.0435%)
2 Niigata-ken(0.0235%)
3 Saitama-ken(0.00712%)
4 Kanagawa-ken(0.00705%)
5 Ibaraki-ken(0.00655%)
6 Toukyou-to(0.00637%)
7 Iwate-ken(0.00543%)
8 Gunma-ken(0.00426%)
9 Yamagata-ken(0.00404%)
10 Chiba-ken(0.00397%)
11 Nagano-ken(0.00328%)
12 Fukushima-ken(0.00281%)
13 Nara-ken(0.00208%)
14 Hokkaidou(0.00147%)
15 Shiga-ken(0.0013%)
16 Shizuoka-ken(0.00122%)
17 Aomori-ken(0.00105%)
18 Aichi-ken(0.00101%)
19 Hiroshima-ken(0.000865%)
20 Miyagi-ken(0.000834%)
21 Kyouto-fu(0.000831%)
22 Oosaka-fu(0.000749%)
23 Yamaguchi-ken(0.000716%)
24 Gifu-ken(0.000566%)
25 Saga-ken(0.000493%)
26 Hyougo-ken(0.000493%)
27 Fukui-ken(0.000478%)
28 Yamanashi-ken(0.000422%)
29 Okayama-ken(0.000407%)
30 Toyama-ken(0.000342%)
31 Wakayama-ken(0.000342%)
32 Fukuoka-ken(0.000297%)
33 Ehime-ken(0.000246%)
34 Mie-ken(0.000219%)