22,352births recorded
5Countries
2Variants
1936Peak · Argentina
#1808United States 2025
Isidro is a boy name family recorded 22,352 times in 5 countries since 1885. It ranks highest today in the United States (#1808 in 2025). Its all-time peak was in Argentina in 1936, at 67.8 births per 100,000.
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 Isidro
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Isidro | Spanish | 12,277 | 🇦🇷 Argentina | #516 | 1936 | ▲ 273 % |
| Isidro | Spanish | 8,211 | 🇺🇸 United States | #1808 | 2000 | ▲ 29 % |
| Isidro | Spanish | 125 | 🇫🇷 France | – | 1969 | – |
| Isidro | Spanish | 21 | 🇺🇾 Montevideo (Uruguay) | – | 1940 | – |
| Isidro | Spanish | 17 | 🇪🇸 Catalonia | – | 2004 | – |
| Ysidro | Spanish | 1,418 | 🇺🇸 United States | #10695 | 1922 | new |
| Ysidro | Spanish | 283 | 🇦🇷 Argentina | – | 1939 | – |
How we grouped these names
- Isidro ↔ Ysidro — spelling variant
Questions about Isidro
How popular is the name Isidro?
In 2025 it ranked #1808 in the United States. Official registers record 22,352 births across 5 countries.
What is Isidro in other languages?
Ysidro (Spanish).
When was Isidro most popular?
It peaked in Argentina in 1936, at 67.8 births per 100,000.
Is Isidro a boy or a girl name?
In official birth registers, Isidro is a boy name.