16,852births recorded
7Countries
2Variants
1927Peak · Argentina
#1110France 2025
Isidoro is a boy name family recorded 16,852 times in 7 countries since 1881. It ranks highest today in France (#1110 in 2025). Its all-time peak was in Argentina in 1927, at 75.5 births per 100,000. Elsewhere it is mostly given as Isidore (France, United States, Ontario).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Isidoro
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Isidore | French | 6,525 | 🇫🇷 France | #1110 | 1901 | ▲ 152 % |
| Isidore | French | 3,421 | 🇺🇸 United States | #3583 | 1914 | ▲ 213 % |
| Isidore | French | 34 | 🇨🇦 Ontario | – | 1919 | – |
| Isidore | French | 28 | 🇧🇪 Belgium | – | 2017 | – |
| Isidore | French | 5 | 🇨🇦 Québec | – | 2016 | – |
| Isidoro | Spanish | 5,470 | 🇦🇷 Argentina | #2517 | 1927 | ▶ 0 % |
| Isidoro | Spanish | 1,292 | 🇺🇸 United States | – | 1929 | – |
| Isidoro | Spanish | 45 | 🇫🇷 France | – | 1925 | – |
| Isidoro | Spanish | 32 | 🇺🇾 Montevideo (Uruguay) | – | 1945 | – |
How we grouped these names
- Isidore ↔ Isidoro — verified against linguistic sources
Questions about Isidoro
How popular is the name Isidoro?
In 2025 it ranked #1110 in France. Official registers record 16,852 births across 7 countries.
What is Isidoro in other languages?
Isidore (French).
When was Isidoro most popular?
It peaked in Argentina in 1927, at 75.5 births per 100,000.
Is Isidoro a boy or a girl name?
In official birth registers, Isidoro is a boy name.