boy's name
Lucius
LOO-shus (English)
- Origin Latin
- Gender Boy
- Syllables 2
- Letters 6
- Popularity Uncommon
- Births on record 11,014
Lucius is a boy's name of Latin origin meaning "light." It was one of the most common personal names in ancient Rome, and Roman writers said it was first given to boys born at daybreak. The name has been in use for more than two thousand years and has been rising again in the United States.
- Lucius is a name of Latin origin.
- Peaked in 2025, when 189 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 17,542 babies in the United States is given this name.
- 2 syllables, with the stress on syllable 1.
Lucius Over Time
Births per decade in the United States, 1880s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1880s | 327 |
| 1890s | 291 |
| 1900s | 351 |
| 1910s | 1,029 |
| 1920s | 1,142 |
| 1930s | 799 |
| 1940s | 777 |
| 1950s | 737 |
| 1960s | 513 |
| 1970s | 413 |
| 1980s | 354 |
| 1990s | 248 |
| 2000s | 886 |
| 2010s | 1,314 |
| 2020s (to 2025) | 927 |
What Lucius Means
Lucius is built on the Latin lux, "light," the same root behind English words such as lucid and lucent. The Romans read it as a name for a child who arrived with the first light of morning, so it suggests dawn and clarity rather than brightness in general.
Where Lucius Comes From
Lucius was a praenomen, the personal name a Roman man carried alongside his family name, and it was the most frequently used of them all. Roman grammarians, Varro among them, traced it to lux and tied it to children born at dawn. Later scholars have connected it with an old Latin adjective meaning "bright" or "shining" that grew from the same root. Unlike most praenomina, Lucius outlived the Western Empire: it passed into Italian and Spanish as Lucio and survived in English almost unchanged. Its feminine partner is Lucia, which is also where the name Lucy comes from.
Lucius in Use
Well-known bearers include Lucius Junius Brutus, the legendary founder of the Roman Republic; the philosopher Seneca, whose full name was Lucius Annaeus Seneca; and Lucius of Cyrene, named among the teachers of the early church at Antioch in the Book of Acts. Modern readers also know it from Lucius Malfoy in the Harry Potter books and Lucius Fox in the Batman stories.
How Popular Is Lucius?
In 2025, Lucius was given to 189 babies in the United States. It is used consistently but remains uncommon.
Where Lucius Is Used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names That Peaked Alongside Lucius
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Lucius Also Like
Names whose popularity has risen and fallen in step with Lucius over the last century — the same taste, a different name.
How to Say Lucius
- English LOO-shus /ˈluːʃəs/
Lucius in Other Languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling Names for Lucius
Names from the same era that do not rhyme or share an initial with Lucius — the two things that make a sibling set grate.
Common Questions About Lucius
What does the name Lucius mean?
Lucius means "light." It comes from the Latin lux, and Roman writers said it was given to boys born at dawn.
What is the origin of the name Lucius?
Lucius is Latin. It was the most common personal name in ancient Rome and has stayed in use ever since.
What is the female version of Lucius?
Lucia is the feminine form, and Lucy is its best-known English descendant.
How do you pronounce Lucius?
Most Americans say LOO-shus. LOO-see-us, closer to the original Latin, is also heard.
Is Lucius a traditional or modern name?
It is about as traditional as a name gets, in use since ancient Rome, though it has been gaining ground in the United States over the past decade.
How popular is the name Lucius?
In 2025, Lucius was given to 189 babies in the United States. It is used consistently but remains uncommon.
Is Lucius a girl's or a boy's name?
Lucius is given almost entirely to boys in birth records.
How many syllables are in Lucius?
Lucius has 2 syllables.
When was Lucius most popular?
Lucius peaked in 2025, when 189 babies were given the name. It has been rising over the past decade.
Is Lucius a good name?
That is not something records can settle, but they can tell you what you would be choosing. Lucius currently ranks #1,129 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.