Etymology and distribution of 研井.

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!

研井さんの分布

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 Hiroshima-ken(About 30)
2 Kanagawa-ken(About 10)
3 Shizuoka-ken(Very rare)
3 Fukuoka-ken(Very rare)
3 Yamaguchi-ken(Very rare)
3 Saitama-ken(Very rare)
PopulationAbout 60
Ranking41,097
Rank by city
1 Hiroshima-shi Naka-ku(About 10)
2 Kitakyuushuu-shi Moji-ku(Very rare)
2 Shuunan-shi(Very rare)
2 Aikou-gun Aikawa-machi(Very rare)
2 Yokohama-shi Midori-ku(Very rare)
2 Hamamatsu-shi(Very rare)
2 Kumagaya-shi(Very rare)
2 Yamagata-gun Kitahiroshima-chou(Very rare)
2 Hiroshima-shi Asaminami-ku(Very rare)
2 Hiroshima-shi Asakita-ku(Very rare)
Rank by subregion
1 広島県 広島市中区 千田町(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 Hiroshima-ken(0.00101%)
2 Yamaguchi-ken(0.000239%)
3 Kanagawa-ken(0.000123%)
4 Shizuoka-ken(0.000111%)
5 Fukuoka-ken(Very rare)
6 Saitama-ken(Very rare)
Rank by city
1 Yamagata-gun Kitahiroshima-chou(0.0148%)
2 Hiroshima-shi Naka-ku(0.0131%)
3 Aikou-gun Aikawa-machi(0.0113%)
4 Hiroshima-shi Minami-ku(0.00369%)
5 Kitakyuushuu-shi Moji-ku(0.00347%)
6 Yokohama-shi Midori-ku(0.00346%)
7 Hiroshima-shi Asakita-ku(0.00287%)
8 Hiroshima-shi Asaminami-ku(0.00253%)
9 Shuunan-shi(0.00243%)
10 Kumagaya-shi(0.00223%)
Rank by subregion

マッポン! で分布を見る