Lucius
Gender: Boy
Meaning: Light, illumination
Origin: Latin/Roman
Popularity: Ranked #1129 in 2025 with 189 babies born.
History: Lucius is an ancient Roman given name derived from 'lux,' meaning light. It was one of the most common praenomina in ancient Rome, borne by emperors, philosophers, and statesmen. Several early popes and Christian martyrs carried the name. It has been used in literary fiction, including the Harry Potter series, and is growing in modern popularity.
Name length: 6 letters
How common is Lucius? About 1 in 17,611 babies born in 2025 were named Lucius, or roughly 0.5 per day in the United States.
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Frequently asked about Lucius
What does the name Lucius mean?
Lucius means “Light, illumination” from Latin/Roman roots.
What is the origin of the name Lucius?
Lucius has Latin/Roman origin. The traditional meaning is “Light, illumination”.
How popular is Lucius?
Lucius ranked #1128 in 2025 — given to 189 babies that year.
When was Lucius most popular?
Lucius peaked in 2025 with 189 babies registered that year.
Is Lucius a boy or girl name?
Lucius is predominantly a boys' name — over 90% of Luciuss in registered births are male.
Is the name Lucius rising or falling in popularity?
Lucius has risen 96 spots in the rankings over the last 5 years — from #1224 in 2020 to #1128 in 2025.
How long has Lucius been recorded?
Lucius appears in birth records across 146 years — from 1880 through 2025.