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2025 data, released 8 May 2026

Lucus

Lucus was the 7482nd most popular name for boys in 2025, given to 11 babies. Its best year was 1980, when it ranked 1075th with 71 babies. Over the last ten years it has moved down 3,538 places. More babies were named Lucus in the 2000s than in any other decade.

Meaning (as Lucas) 'man from Lucania' (via Luke) · Ancient Greek, Latin

Rank in 2025
#7,482 boys, down 171 places since 2020
Babies in 2025
11boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
198071 babies
Total since 1880
1,800babies recorded

What does the name Lucus mean?

Lucus is a spelling of Lucas, pronounced the same way, so it shares Lucas's meaning and origin.

Lucas is the Latin (and Spanish, Portuguese, Dutch and French) form of Luke. It comes from Greek Loukas, which DMNES explains as 'man from Lucania', a region of southern Italy; Wiktionary also discusses links with the Roman name Lucius. Luke the Evangelist is traditionally credited with the third Gospel.

Λουκᾶς (Koine Greek, “Loukas”)

How sure is this? Probable. 'From Lucania' (DMNES) and a pet form of Lucius (Wiktionary, under Luca) are both proposed.

See also: Greek names, names from places.

Sources for this meaning

Lucus popularity since 1880

0255075100 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (boys)Babies (boys)
2025#7,48211
2020#7,31111
2010#2,42252
2000#2,23944
1990#2,29431
1980#1,07571
1970——
1960——
1950——
1940——
1930——
1920#4,6945
1910——
1900——
1890——
1880——

How popular is Lucus, counting every spelling?

Lucus is a spelling of Lucas, a name family that ranked #12 for boys in 2025 once every spelling is counted together, compared with #7,482 for Lucus on its own. Together these spellings went to 10,278 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Lucas10,219#1054,409
Luccas48#2,701163
Lucus11#7,48271

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Lucus?

11 of the 3,606,400 babies born in the US in 2025 were named Lucus (0.00 per 1,000 births). For a boy named Lucus born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 750 (of 430 pupils) would have a child named Lucus.

Chance of another Lucus in a class of 20under 1 in 50US, born 2025

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Lucus?

About 1,700 people born in the US named Lucus are alive today, with a median age of 28; half are between 17 and 41. That makes Lucus mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Names with a similar history

These names rose and fell in step with Lucus: their share of US boys followed the most similar curve since 1880. If you like Lucus, they share its era and feel.

Questions about the name Lucus

What does Lucus mean?

Lucus is a spelling of Lucas, which means “'man from Lucania' (via Luke)” (Ancient Greek, Latin origin). Certainty: probable.

How popular is the name Lucus?

Lucus was the 7482nd most popular name for boys in 2025, given to 11 babies. Its best year was 1980, when it ranked 1075th with 71 babies. Over the last ten years it has moved down 3,538 places. More babies were named Lucus in the 2000s than in any other decade.

Is Lucus a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Lucus in the US.