Etymology and distribution of 氏井.

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!

「氏井」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 氏井

Distribution of 氏井
Ranking
1 Koudzushima Koudzushima-mura(0.167%)
2 Higashiyamato-shi(0.109%)
3 Sado-shi(0.0135%)
4 Iida-shi(0.0103%)
5 Fussa-shi(0.00881%)
6 Takikawa-shi(0.008%)
7 Kadoma-shi(0.00779%)
8 Settsu-shi(0.00619%)
9 Akiruno-shi(0.00578%)
10 Chikuma-shi(0.00568%)
11 Sanda-shi(0.00505%)
12 Tomakomai-shi(0.00496%)
13 Tokorozawa-shi(0.00485%)
14 Akishima-shi(0.00482%)
15 Saitama-shi Kita-ku(0.00431%)
16 Nakano-ku(0.00431%)
17 Suginami-ku(0.00399%)
18 Kodaira-shi(0.00341%)
19 Kawaguchi-shi(0.00322%)
20 Tochigi-shi(0.00249%)
21 Sapporo-shi Nishi-ku(0.0024%)
22 Ube-shi(0.0021%)
23 Yokohama-shi Kouhoku-ku(0.00197%)
24 Hiratsuka-shi(0.00193%)
25 Sapporo-shi Kita-ku(0.0019%)
26 Koshigaya-shi(0.00177%)
27 Hakodate-shi(0.00125%)