Etymology and distribution of 古安.

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【古安】Etymology of Japanese surnames.


Koyasu 【古安】3 The Japanese surnames etymology dictionary.

Nagano-ken Komagane-shi . Terrain . Variant of 境沢 . Nagano-ken Komagane-shi Ako is based.

2019年 9月 2日 更新

Furuyasu 【古安】3 The Japanese surnames etymology dictionary.

前所 Maedokoro reference.

2018年 9月 30日 更新

Similar names:

Koyasu 【子安】5 , Koyasu 【小安】4 , Koyasu 【児安】3 , Koyasu 【小保】3 , Koyasu 【児保】2 , Koyasu 【小易】2

If you know the etymology of 古安, please give us information!

This site is updated daily.We will use the updated information as reference for updating.

【古安】Distribution of surname.


Distributions by prefecture
Distributions by city
Distributions by subregion
Whole Japan Prefectures
レベル3 1 Chiba-ken(About 40)
2 Tottori-ken(About 20)
3 Shimane-ken(About 10)
3 Oosaka-fu(About 10)
5 Kagawa-ken(Very rare)
5 Shizuoka-ken(Very rare)
5 Toukyou-to(Very rare)
5 Hyougo-ken(Very rare)
5 Kyouto-fu(Very rare)
PopulationAbout 100
Rank by city
1 Yonago-shi(About 20)
2 Isumi-gun Ootaki-machi(About 10)
3 Mobara-shi(About 10)
4 Yasugi-shi(Very rare)
4 Matsue-shi(Very rare)
4 Katano-shi(Very rare)
4 Kita-gun Miki-chou(Very rare)
4 Hamamatsu-shi(Very rare)
4 Koutou-ku(Very rare)
4 Chousei-gun Mutsuzawa-machi(Very rare)
Rank by subregion
1 千葉県 夷隅郡大多喜町 筒森(About 10)

Notable cities

Isumi-gun Ootaki-machi

Distributions of ratios

Distributions of ratios by prefecture
Distributions of ratios by city
Distributions of ratios by subregion
Whole Japan Prefectures
RatiosVery rare 1 Tottori-ken(0.00303%)
2 Shimane-ken(0.000926%)
3 Chiba-ken(0.000794%)
4 Kagawa-ken(0.000382%)
5 Kyouto-fu(0.000166%)
6 Oosaka-fu(0.000115%)
7 Shizuoka-ken(0.000111%)
8 Hyougo-ken(Very rare)
9 Toukyou-to(Very rare)
Rank by city
1 Isumi-gun Ootaki-machi(0.0972%)
2 Chousei-gun Mutsuzawa-machi(0.0473%)
3 Kita-gun Miki-chou(0.0137%)
4 Yonago-shi(0.0134%)
5 Mobara-shi(0.0099%)
6 Kyoutanabe-shi(0.008%)
7 Sanmu-shi(0.00753%)
8 Yasugi-shi(0.00749%)
9 Katano-shi(0.00618%)
10 Kisaradzu-shi(0.00405%)
Rank by subregion


Furuyasu【古安】3 are referenced.