1,112births recorded
5Countries
1Variants
1925Peak · British Columbia
#342France 2025
Isao is a boy name family recorded 1,112 times in 5 countries since 1915. It ranks highest today in France (#342 in 2025). Its all-time peak was in British Columbia in 1925, at 71.6 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Isao
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Isao | English | 755 | 🇫🇷 France | #342 | 2025 | ▲ 1,785 % |
| Isao | English | 246 | 🇺🇸 United States | – | 1917 | – |
| Isao | English | 95 | 🇧🇪 Belgium | #445 | 2025 | – |
| Isao | English | 11 | 🇨🇦 British Columbia | – | 1925 | – |
| Isao | English | 5 | 🇦🇷 Argentina | – | 1996 | – |
Questions about Isao
How popular is the name Isao?
In 2025 it ranked #342 in France. Official registers record 1,112 births across 5 countries.
When was Isao most popular?
It peaked in British Columbia in 1925, at 71.6 births per 100,000.
Is Isao a boy or a girl name?
In official birth registers, Isao is a boy name.