Etymology and distribution of 久ケ沢.

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!

久ケ沢さんの分布

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 Hokkaidou(About 30)
2 Iwate-ken(About 10)
3 Toukyou-to(Very rare)
3 Chiba-ken(Very rare)
3 Kyouto-fu(Very rare)
PopulationAbout 50
Ranking44,347
Rank by city
1 Iwate-gun Iwate-machi(About 10)
1 Oshimashi-chou Mori-machi(About 10)
3 Jouyou-shi(Very rare)
3 Oota-ku(Very rare)
3 Yachiyo-shi(Very rare)
3 Sapporo-shi Toyohira-ku(Very rare)
3 Sapporo-shi Kita-ku(Very rare)
3 Muroran-shi(Very rare)
3 Hiyamashi-chou Imakane-chou(Very rare)
Rank by subregion

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 Iwate-ken(0.000571%)
2 Hokkaidou(0.000419%)
3 Kyouto-fu(0.000166%)
4 Chiba-ken(Very rare)
5 Toukyou-to(Very rare)
Rank by city
1 Hiyamashi-chou Imakane-chou(0.0473%)
2 Iwate-gun Iwate-machi(0.045%)
3 Oshimashi-chou Mori-machi(0.034%)
4 Jouyou-shi(0.00498%)
5 Muroran-shi(0.00329%)
6 Yachiyo-shi(0.00309%)
7 Sapporo-shi Toyohira-ku(0.00262%)
8 Sapporo-shi Kita-ku(0.0019%)
9 Oota-ku(0.000936%)
Rank by subregion

マッポン! で分布を見る