Lucius
Meaning
light
Lucius around the world
One shared root links 10 names across 5 languages.
Shared root: from Latin lux "light", through the Roman Lucius and its feminine Lucia
The constellation
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Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Lucius peaked in the 1890s and the 2020s in nearly equal measure.
See popularity in Brazil
Popularity in Brazil
421 people · the #15,051 first name in Brazil · about 1 in 500,000 · median age 16
Among people named Lucius living in Brazil at the 2022 census, roughly as many were born in the 2000s as in the 2010s, more than in any other decade.
The census also counted 43 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
The Lucius deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Lucius truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Lucius fits with your family’s names and surname.
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