56,313births recorded
13Countries
2Variants
2014Peak · Argentina
#303Switzerland 2025
Lucius is a boy name family recorded 56,313 times in 13 countries since 1880. It ranks highest today in Switzerland (#303 in 2025). Its all-time peak was in Argentina in 2014, at 153.0 births per 100,000. Elsewhere it is mostly given as Lucio (Argentina, France, Montevideo (Uruguay)).
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 Lucius
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Lucio | Spanish | 37,745 | 🇦🇷 Argentina | #166 | 2014 | ▲ 30 % |
| Lucio | Spanish | 6,286 | 🇺🇸 United States | #1323 | 2025 | ▲ 81 % |
| Lucio | Spanish | 755 | 🇫🇷 France | #711 | 2025 | ▲ 116 % |
| Lucio | Spanish | 231 | 🇺🇾 Montevideo (Uruguay) | #100 | 2011 | ▲ 155 % |
| Lucio | Spanish | 178 | 🇨🇭 Switzerland | #303 | 2025 | ▲ 362 % |
| Lucio | Spanish | 139 | 🏴 England & Wales | #2266 | 2019 | ▲ 75 % |
| Lucius | English | 10,108 | 🇺🇸 United States | #1128 | 1881 | ▲ 54 % |
| Lucius | English | 424 | 🏴 England & Wales | #1124 | 2023 | ▲ 145 % |
| Lucius | English | 120 | 🇫🇷 France | #4604 | 1919 | ▲ 27 % |
| Lucius | English | 99 | 🇨🇦 Ontario | #1217 | 2017 | ▲ 11 % |
| Lucius | English | 23 | 🇨🇦 British Columbia | – | 2016 | – |
| Lucius | English | 17 | 🇩🇪 Germany (large cities) | – | 2024 | – |
How we grouped these names
- Lucio ↔ Lucius — verified against linguistic sources
Questions about Lucius
How popular is the name Lucius?
In 2025 it ranked #303 in Switzerland. Official registers record 56,313 births across 13 countries.
What is Lucius in other languages?
Lucio (Spanish).
When was Lucius most popular?
It peaked in Argentina in 2014, at 153.0 births per 100,000.
Is Lucius a boy or a girl name?
In official birth registers, Lucius is a boy name.