Etymology and distribution of 但井.

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!

但井さんの分布

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 Tottori-ken(About 80)
2 Hyougo-ken(About 20)
3 Kyouto-fu(About 10)
4 Kanagawa-ken(Very rare)
4 Hiroshima-ken(Very rare)
4 Shimane-ken(Very rare)
4 Oosaka-fu(Very rare)
PopulationAbout 130
Ranking27,353
Rank by city
1 Iwami-gun Iwami-chou(About 70)
2 Tottori-shi(About 20)
3 Kyouto-shi Fushimi-ku(About 10)
3 Sasayama-shi(About 10)
5 Yamato-shi(Very rare)
5 Matsue-shi(Very rare)
5 Tondabayashi-shi(Very rare)
5 Sanda-shi(Very rare)
5 Nishinomiya-shi(Very rare)
5 Hiroshima-shi Asaminami-ku(Very rare)
Rank by subregion
1 鳥取県 岩美郡岩美町 田後(About 50)
2 兵庫県 篠山市 今田町今田(About 10)
2 鳥取県 岩美郡岩美町 浦富(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
Ratios0.000103% 1 Tottori-ken(0.0115%)
2 Shimane-ken(0.000463%)
3 Kyouto-fu(0.000333%)
4 Hyougo-ken(0.000328%)
5 Hiroshima-ken(0.000144%)
6 Kanagawa-ken(Very rare)
7 Oosaka-fu(Very rare)
Rank by city
1 Iwami-gun Iwami-chou(0.366%)
2 Sasayama-shi(0.016%)
3 Tottori-shi(0.00788%)
4 Sanda-shi(0.00505%)
5 Tondabayashi-shi(0.00388%)
6 Kyouto-shi Fushimi-ku(0.00353%)
7 Yamato-shi(0.00271%)
8 Hiroshima-shi Asaminami-ku(0.00253%)
9 Matsue-shi(0.00191%)
10 Nishinomiya-shi(0.0012%)
Rank by subregion
1 鳥取県 岩美郡岩美町 田後(4.45% / About 50)

Notable cities

Iwami-gun Iwami-chou

マッポン! で分布を見る