Lucius
How to say it: LOO-shus · /ˈluːʃəs/
Latin: light, illumination; from 'lux'. Ancient Roman praenomen used by prominent historical figures.
Lucius was the 1,006th most popular boys’ name in the United States in 2025, given to 189 babies (Social Security Administration). Its busiest decade was the 1880s, its births are up about 37% in ten years, and it is projected to rise to #923 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #1,006 |
|---|---|
| Babies born in 2025 | 189 |
| Share of births | 1 in 17,541 |
| Peak decade | 1880s |
| Change over 10 years | +37% |
| Projected rank for 2030 (estimate) | #923 |
| In France, 2025 | #2,436 among boys’ names, 5 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
After an 1880s high, Lucius nearly disappeared through the 1990s. It remains well below that peak, though growth is expected in the near future.
What goes with it
Two syllables with a breathy hush give Lucius a strong and light bearing with a biblical touch. Cassius shares its style and Luc works as a short form.
Parents who love Lucius also love
Nicknames
- Luc
- Lu
Honouring a Lucius in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Lucius is about under 1 in 200.
Around the world
This spelling is used in English, French.
In France: #2,436 for boys in 2025.
Famous people named Lucius
- Lucius I (200–254)Pope and bishop of Rome from 253 to 254
- Lucius III (1110–1185)Pope of the Catholic Church from 1181 to 1185
- Lucius II (1050–1145)Pope of the Catholic Church from 1144 to 1145
From Wikidata and Wikipedia
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