Etymology and distribution of 小村井.

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!

小村井さんの分布

Population

Distributions by prefecture
都道府県分布数図
Distributions by city
市区町村分布数図
Distributions by subregion
小地域分布数図
Whole Japan Prefectures
レベル3 1 Toukyou-to(About 50)
2 Chiba-ken(About 10)
3 Fukushima-ken(Very rare)
PopulationAbout 70
Ranking38,443
Rank by city
1 Machida-shi(About 10)
1 Tachikawa-shi(About 10)
1 Koutou-ku(About 10)
1 Ichikawa-shi(About 10)
5 Iwaki-shi(Very rare)
5 Nakano-ku(Very rare)
5 Katsushika-ku(Very rare)
5 Choufu-shi(Very rare)
5 Oota-ku(Very rare)
5 Edogawa-ku(Very rare)
Rank by subregion
1 千葉県 市川市 大野町(About 10)
1 東京都 立川市 栄町(About 10)
1 東京都 町田市 鶴間(About 10)

Distributions of ratios

Distributions of ratios by prefecture
都道府県分布比率図
Distributions of ratios by city
市区町村分布比率図
Distributions of ratios by subregion
小地域分布比率図
Whole Japan Prefectures
RatiosVery rare 1 Toukyou-to(0.000547%)
2 Chiba-ken(0.000265%)
3 Fukushima-ken(0.000201%)
Rank by city
1 Tachikawa-shi(0.00667%)
2 Koutou-ku(0.00312%)
3 Choufu-shi(0.00286%)
4 Machida-shi(0.00271%)
5 Ichikawa-shi(0.00264%)
6 Nakano-ku(0.00216%)
7 Katsushika-ku(0.00136%)
8 Iwaki-shi(0.00115%)
9 Edogawa-ku(0.00105%)
10 Funabashi-shi(0.000953%)
Rank by subregion

マッポン! で分布を見る