Etymology and distribution of 久延.

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!

久延さんの分布

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 Okayama-ken(About 50)
2 Hyougo-ken(About 30)
3 Oosaka-fu(About 20)
4 Shizuoka-ken(About 10)
4 Yamaguchi-ken(About 10)
6 Kanagawa-ken(About 10)
7 Tokushima-ken(Very rare)
7 Gifu-ken(Very rare)
PopulationAbout 140
Ranking25,487
Rank by city
1 Akaiwa-shi(About 40)
2 Okayama-shi(About 10)
2 Fukuroi-shi(About 10)
2 Yanai-shi(About 10)
2 Ibaraki-shi(About 10)
6 Hikari-shi(Very rare)
6 Kawasaki-shi Asao-ku(Very rare)
6 Kawasaki-shi Nakahara-ku(Very rare)
6 Hamamatsu-shi(Very rare)
6 Ena-shi(Very rare)
Rank by subregion
1 岡山県 赤磐市 是里(About 30)
2 静岡県 袋井市 久能(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
Ratios0.000117% 1 Okayama-ken(0.00224%)
2 Yamaguchi-ken(0.000716%)
3 Hyougo-ken(0.000575%)
4 Tokushima-ken(0.000468%)
5 Shizuoka-ken(0.000333%)
6 Oosaka-fu(0.000288%)
7 Gifu-ken(0.000189%)
8 Kanagawa-ken(0.000123%)
Rank by city
1 Akaiwa-shi(0.0783%)
2 Yanai-shi(0.0171%)
3 Fukuroi-shi(0.0115%)
4 Kasai-shi(0.00791%)
5 Hikari-shi(0.0063%)
6 Ena-shi(0.00629%)
7 Naruto-shi(0.00608%)
8 Koube-shi Chuuou-ku(0.00487%)
9 Ikeda-shi(0.00467%)
10 Koube-shi Hyougo-ku(0.00427%)
Rank by subregion
1 岡山県 赤磐市 是里(5.26% / About 30)

Notable cities

Akaiwa-shi

マッポン! で分布を見る