Etymology and distribution of 於久田.

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!

於久田さんの分布

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 Gifu-ken(About 30)
2 Toukyou-to(About 20)
3 Aichi-ken(Very rare)
3 Kyouto-fu(Very rare)
PopulationAbout 70
Ranking38,443
Rank by city
1 Oogaki-shi(About 30)
2 Itabashi-ku(About 10)
3 Ichinomiya-shi(Very rare)
3 Maidzuru-shi(Very rare)
3 Gifu-shi(Very rare)
3 Nerima-ku(Very rare)
3 Meguro-ku(Very rare)
3 Oota-ku(Very rare)
Rank by subregion
1 岐阜県 大垣市 南若森(About 10)
1 東京都 板橋区 高島平(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(0.00151%)
2 Toukyou-to(0.000249%)
3 Kyouto-fu(0.000166%)
4 Aichi-ken(Very rare)
Rank by city
1 Oogaki-shi(0.0183%)
2 Maidzuru-shi(0.00395%)
3 Meguro-ku(0.00267%)
4 Itabashi-ku(0.00264%)
5 Ichinomiya-shi(0.00123%)
6 Nerima-ku(0.00105%)
7 Gifu-shi(0.00101%)
8 Oota-ku(0.000936%)
Rank by subregion

マッポン! で分布を見る