Etymology and distribution of 海士.

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!

海士さんの分布

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 Tochigi-ken(About 10)
1 Toukyou-to(About 10)
1 Saitama-ken(About 10)
1 Wakayama-ken(About 10)
1 Hyougo-ken(About 10)
6 Hiroshima-ken(Very rare)
6 Okayama-ken(Very rare)
6 Oosaka-fu(Very rare)
PopulationAbout 60
Ranking41,097
Rank by city
1 Nasukarasuyama-shi(About 10)
1 Higashimuro-gun Kushimoto-chou(About 10)
3 Akiruno-shi(Very rare)
3 Tamano-shi(Very rare)
3 Nishitama-gun Hinode-machi(Very rare)
3 Tokorozawa-shi(Very rare)
3 Oosaka-shi Ikuno-ku(Very rare)
3 Saitama-shi Midori-ku(Very rare)
3 Itami-shi(Very rare)
3 Amagasaki-shi(Very rare)
Rank by subregion
1 和歌山県 東牟婁郡串本町 田原(About 10)
1 栃木県 那須烏山市 南(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
RatiosVery rare 1 Wakayama-ken(0.000685%)
2 Tochigi-ken(0.000444%)
3 Okayama-ken(0.000203%)
4 Hyougo-ken(0.000164%)
5 Saitama-ken(0.000147%)
6 Hiroshima-ken(0.000144%)
7 Toukyou-to(Very rare)
8 Oosaka-fu(Very rare)
Rank by city
1 Nishitama-gun Hinode-machi(0.0261%)
2 Higashimuro-gun Kushimoto-chou(0.0258%)
3 Nasukarasuyama-shi(0.0248%)
4 Akiruno-shi(0.00578%)
5 Saitama-shi Midori-ku(0.0057%)
6 Tamano-shi(0.00496%)
7 Oosaka-shi Ikuno-ku(0.0035%)
8 Hiroshima-shi Nishi-ku(0.00301%)
9 Itami-shi(0.00263%)
10 Tokorozawa-shi(0.00162%)
Rank by subregion

マッポン! で分布を見る