2,098births recorded
5Countries
2Variants
1942Peak · Argentina
#4047France 2025
Nereo is a boy name family recorded 2,098 times in 5 countries since 1930. It ranks highest today in France (#4047 in 2025). Its all-time peak was in Argentina in 1942, at 9.7 births per 100,000. Elsewhere it is mostly given as Nerio (Argentina, France, Switzerland).
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 Nereo
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Nerio | Italian | 998 | 🇦🇷 Argentina | – | 1934 | – |
| Nerio | Italian | 125 | 🇫🇷 France | #4047 | 2021 | new |
| Nerio | Italian | 10 | 🇨🇭 Switzerland | – | 2013 | – |
| Nerio | Italian | 5 | 🇧🇪 Belgium | – | 2022 | – |
| Nereo | Italian | 929 | 🇦🇷 Argentina | #1204 | 2014 | ▲ 28 % |
| Nereo | Italian | 21 | 🇺🇸 United States | – | 1999 | – |
| Nereo | Italian | 10 | 🇫🇷 France | – | 2022 | – |
How we grouped these names
- Nereo ↔ Nerio — Wikidata “said to be the same as”
Questions about Nereo
How popular is the name Nereo?
In 2025 it ranked #4047 in France. Official registers record 2,098 births across 5 countries.
What is Nereo in other languages?
Nerio (Italian).
When was Nereo most popular?
It peaked in Argentina in 1942, at 9.7 births per 100,000.
Is Nereo a boy or a girl name?
In official birth registers, Nereo is a boy name.