Etymology and distribution of 天艸.

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!

天艸さんの分布

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2 1 Yamaguchi-ken(About 10)
2 Nagasaki-ken(About 10)
3 Kumamoto-ken(Very rare)
3 Toukyou-to(Very rare)
3 Okayama-ken(Very rare)
3 Miyagi-ken(Very rare)
3 Ooita-ken(Very rare)
PopulationAbout 40
RankingOut of ranking
Rank by city
1 Yamaguchi-shi(About 10)
2 Kaga-gun Kibichuuou-chou(Very rare)
2 Sendai-shi Izumi-ku(Very rare)
2 Aso-gun Minamioguni-machi(Very rare)
2 Nishisonogi-gun Nagayo-chou(Very rare)
2 Nagasaki-shi(Very rare)
2 Shinagawa-ku(Very rare)
2 Nakatsu-shi(Very rare)
Rank by subregion
1 山口県 山口市 古熊(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 Yamaguchi-ken(0.000716%)
2 Nagasaki-ken(0.000515%)
3 Ooita-ken(0.000322%)
4 Kumamoto-ken(0.000228%)
5 Miyagi-ken(0.000208%)
6 Okayama-ken(0.000203%)
7 Toukyou-to(Very rare)
Rank by city
1 Aso-gun Minamioguni-machi(0.0808%)
2 Kaga-gun Kibichuuou-chou(0.022%)
3 Nishisonogi-gun Nagayo-chou(0.0105%)
4 Yamaguchi-shi(0.00614%)
5 Nakatsu-shi(0.00447%)
6 Sendai-shi Izumi-ku(0.0028%)
7 Shinagawa-ku(0.00191%)
8 Nagasaki-shi(0.000851%)
Rank by subregion

Notable cities

Aso-gun Minamioguni-machi

マッポン! で分布を見る