1,730births recorded
4Countries
2Variants
1939Peak · Argentina
#1794France 2025
Adelio is a boy name family recorded 1,730 times in 4 countries since 1920. It ranks highest today in France (#1794 in 2025). Its all-time peak was in Argentina in 1939, at 11.0 births per 100,000. Elsewhere it is mostly given as Adelino (France, United States).
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 Adelio
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Adelino | Portuguese | 523 | 🇦🇷 Argentina | – | 1935 | – |
| Adelino | Portuguese | 325 | 🇫🇷 France | – | 1971 | – |
| Adelino | Portuguese | 58 | 🇺🇸 United States | – | 1929 | – |
| Adelio | Spanish | 627 | 🇦🇷 Argentina | – | 1927 | – |
| Adelio | Spanish | 175 | 🇫🇷 France | #1794 | 2024 | ▲ 406 % |
| Adelio | Spanish | 17 | 🇺🇸 United States | – | 2024 | – |
| Adelio | Spanish | 5 | 🇧🇪 Belgium | – | 2024 | – |
How we grouped these names
- Adelino ↔ Adelio — Wikidata “said to be the same as”
Questions about Adelio
How popular is the name Adelio?
In 2025 it ranked #1794 in France. Official registers record 1,730 births across 4 countries.
What is Adelio in other languages?
Adelino (Portuguese).
When was Adelio most popular?
It peaked in Argentina in 1939, at 11.0 births per 100,000.
Is Adelio a boy or a girl name?
In official birth registers, Adelio is a boy name.