Etymology and distribution of 古知.

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!

古知さんの分布

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 Shizuoka-ken(About 140)
2 Toukyou-to(About 30)
3 Kanagawa-ken(About 30)
4 Oosaka-fu(About 10)
4 Chiba-ken(About 10)
6 Gunma-ken(Very rare)
6 Tochigi-ken(Very rare)
6 Niigata-ken(Very rare)
6 Shimane-ken(Very rare)
6 Saitama-ken(Very rare)
PopulationAbout 300
Ranking18,541
Rank by city
1 Shizuoka-shi(About 90)
2 Fujieda-shi(About 10)
3 Haibara-gun Kawanehon-chou(About 10)
3 Yaidzu-shi(About 10)
3 Itabashi-ku(About 10)
3 Izu-shi(About 10)
3 Shimada-shi(About 10)
8 Setagaya-ku(Very rare)
8 Nakano-ku(Very rare)
8 Matsue-shi(Very rare)
Rank by subregion
1 静岡県 静岡市 丸子(About 20)
2 静岡県 伊豆市 土肥(About 10)
2 静岡県 藤枝市 田沼(About 10)
2 静岡県 榛原郡川根本町 千頭(About 10)
2 静岡県 静岡市 八幡(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
Ratios0.000209% 1 Shizuoka-ken(0.00366%)
2 Shimane-ken(0.000463%)
3 Kanagawa-ken(0.000429%)
4 Toukyou-to(0.000398%)
5 Tochigi-ken(0.000222%)
6 Gunma-ken(0.000203%)
7 Chiba-ken(0.000176%)
8 Kyouto-fu(0.000166%)
9 Niigata-ken(0.000161%)
10 Oosaka-fu(0.000115%)
Rank by city
1 Haibara-gun Kawanehon-chou(0.068%)
2 Senboku-gun Tadaoka-chou(0.0247%)
3 Izu-shi(0.0182%)
4 Nasu-gun Nasu-machi(0.0126%)
5 Suntou-gun Nagaizumi-chou(0.0122%)
6 Shizuoka-shi(0.0116%)
7 Fujieda-shi(0.00887%)
8 Shimada-shi(0.00773%)
9 Yaidzu-shi(0.00598%)
10 Saitama-shi Oomiya-ku(0.00461%)
Rank by subregion

Notable cities

Haibara-gun Kawanehon-chou

マッポン! で分布を見る