Etymology and distribution of 井之下.

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!

井之下さんの分布

Etymology Related Information provision

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 Gifu-ken(About 30)
2 Hokkaidou(About 20)
3 Toukyou-to(About 10)
4 Kagoshima-ken(Very rare)
4 Nagano-ken(Very rare)
4 Kanagawa-ken(Very rare)
4 Oosaka-fu(Very rare)
4 Chiba-ken(Very rare)
PopulationAbout 80
Ranking35,100
Rank by city
1 Takayama-shi(About 20)
2 Hachiouji-shi(About 10)
2 Sapporo-shi Higashi-ku(About 10)
4 Yokohama-shi Kounan-ku(Very rare)
4 Satsumasendai-shi(Very rare)
4 Gifu-shi(Very rare)
4 Hida-shi(Very rare)
4 Matsumoto-shi(Very rare)
4 Kashiwa-shi(Very rare)
4 Oosaka-shi Hirano-ku(Very rare)
Rank by subregion
1 東京都 八王子市 下柚木(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 Gifu-ken(0.00113%)
2 Hokkaidou(0.000349%)
3 Kagoshima-ken(0.000203%)
4 Nagano-ken(0.000164%)
5 Toukyou-to(Very rare)
6 Chiba-ken(Very rare)
7 Kanagawa-ken(Very rare)
8 Oosaka-fu(Very rare)
Rank by city
1 Takayama-shi(0.0147%)
2 Hida-shi(0.0111%)
3 Sapporo-shi Higashi-ku(0.00413%)
4 Ebetsu-shi(0.00358%)
5 Sapporo-shi Teine-ku(0.00348%)
6 Satsumasendai-shi(0.00328%)
7 Oosaka-shi Hirano-ku(0.00273%)
8 Sapporo-shi Toyohira-ku(0.00262%)
9 Yokohama-shi Kounan-ku(0.00233%)
10 Hachiouji-shi(0.00204%)
Rank by subregion

マッポン! で分布を見る