Head to head · Boys' names
Julius vs Lucca
#424 vs #425 in 2025
Julius is a whisker ahead (#424 vs #425 in 2025), but the curves point different ways: Julius is stepping back from its peak, Lucca is holding its place on the charts. On momentum, Lucca has the edge.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
The tale of the tape
On the charts, Julius leads 5 measures of 6; Lucca leads 1.
Ranks, counts and years are measured in the official US birth record; the classroom and living figures are estimates computed from it. The dot marks the side each measure favours on the charts — more common, not better.
What the records say
146 years of US births, drawn on one scale
Two curves, one scale
Who owned which decade
- 1880s: Julius #94, Lucca — — Julius higher
- 1890s: Julius #103, Lucca — — Julius higher
- 1900s: Julius #108, Lucca — — Julius higher
- 1910s: Julius #108, Lucca — — Julius higher
- 1920s: Julius #147, Lucca — — Julius higher
- 1930s: Julius #205, Lucca — — Julius higher
- 1940s: Julius #258, Lucca — — Julius higher
- 1950s: Julius #315, Lucca — — Julius higher
- 1960s: Julius #386, Lucca — — Julius higher
- 1970s: Julius #409, Lucca — — Julius higher
- 1980s: Julius #368, Lucca — — Julius higher
- 1990s: Julius #479, Lucca #6356 — Julius higher
- 2000s: Julius #366, Lucca #1668 — Julius higher
- 2010s: Julius #334, Lucca #802 — Julius higher
- 2020s: Julius #369, Lucca #478 — Julius higher
Julius stood higher in every recorded decade — 15 of 15.
Rank by decade
| Decade | Julius | Lucca |
|---|---|---|
| 1880s | #94 | — |
| 1890s | #103 | — |
| 1900s | #108 | — |
| 1910s | #108 | — |
| 1920s | #147 | — |
| 1930s | #205 | — |
| 1940s | #258 | — |
| 1950s | #315 | — |
| 1960s | #386 | — |
| 1970s | #409 | — |
| 1980s | #368 | — |
| 1990s | #479 | #6356 |
| 2000s | #366 | #1668 |
| 2010s | #334 | #802 |
| 2020s | #369 | #478 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Julius
Roman family name, traditionally linked either to Jupiter or to Greek ioulos, 'downy-bearded, youthful'
Two readings compete. One connects Iulius to Jove/Jupiter, by way of Iulus, the ancestor from whom the Roman gens Julia claimed descent. The other derives it from Greek ioulos, meaning down or the first soft beard, hence 'youthful'. The name is old enough that its origin was already obscure to Romans themselves, and neither reading has won.
Iulius (Latin) → Julius → Iulianus / Julian → Julia → Jules
How it traveled
Iulius was the name of one of Rome's patrician clans, the gens Julia, whose most famous member reshaped the Roman state in the first century BC and left his name on the calendar and on the month of July. As a clan name it passed to thousands of Roman citizens, then survived the empire's collapse through Christian bearers — Pope Julius I in the fourth century, and later Julius II, the pope who commissioned the Sistine Chapel ceiling.
Lucca
'from Lucania' through Luca and Lucas — or simply the Tuscan city of Lucca
As a spelling of the Italian given name Luca, it goes back through Latin Lucas to Greek Loukas, understood as 'man from Lucania', a region of southern Italy. The double-c spelling is instead the Tuscan place name, whose own root is not settled — pre-Roman, and read variously as marsh or sacred grove. A frequent popular link to Latin lux, 'light', is a resemblance rather than a descent.
Loukas → Lucas → Luca → Lucca
How it traveled
Greek Loukas gave Latin Lucas, the name of the gospel writer, and that name spread with Christianity into every language of Europe. Italian trimmed it to Luca, which has been in ordinary use on the peninsula for centuries and remains one of the standard boys' names there.
Where a reading is contested the note says so — this page does not turn a guess into a fact. The chain is each name's recorded forms, oldest first; the story is its opening, told in full on the name's own page.
Out loud, and in short
Julius
JOO-lee-us
Three syllables, stress on the first. In German, Danish and Finnish it is closer to YOO-lee-oos, which is worth knowing if the family has ties to those languages.
- Jules — The most widespread short form; also a full given name in its own right in French, and increasingly used as a nickname for girls named Julia or Juliette.
- Jay — Informal, English-speaking; a first-initial nickname that works on a playground and on a roster.
- Juju — Family-and-toddler register, rarely used past childhood.
- Julle — Informal Swedish and Danish short form, mostly among friends rather than in writing.
Lucca
LOO-kah
Two syllables, stress on the first. In Italian the double c is a crisp k and the final vowel stays open; American speakers often soften the ending to LOO-kuh, which nobody will correct.
- Luc — Informal clipping; also a standalone given name in French.
- Lu — Short, family-level form, used the same way for Lucas and Lucia.
- Luccy — Playful diminutive heard mostly at home and in the early years.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Julius if you want…
- a name past its most crowded yearsJulius is stepping back from its peak
- a long American recordJulius was already in use when US records began in 1880
Choose Lucca if you want…
- a name on the way upup 31 places on the charts in five years
- a newer arrivalLucca entered the US charts in 1993
Each line is a measured difference between the two names — a rank, a count, a recorded form — never a judgement of either. Save the one that answers your question; it lands on your shortlist.
The trade-offs, name by name
Julius
Strengths
- Spelled the same way for two thousand years, and readable on sight to anyone literate in English — no correcting, no alternate spellings competing for attention.
- Travels without translation: Julius in German, Danish and Finnish, Julio, Giulio and Jules just next door.
- Has an established short form, Jules, plus the simple Jay — so there is a casual option without inventing one.
To consider
- Julius Caesar is unavoidable. Most American students meet the Shakespeare play in high school, which means a few Ides-of-March jokes and possibly a lifetime of 'Hail, Caesar.' Mild, but constant.
- Its American history is weighted toward older generations, so some relatives may hear it as a name from their grandfathers' era rather than a current one.
- Expect Julian and Julio to be offered as corrections, since all three are close in sound and far more common in some regions.
Lucca
Strengths
- Two syllables, five letters, and it reads correctly on first sight for almost any English speaker.
- Travels without translation: Luca, Lucas, Luke and Loukas are all the same name in different languages.
- Ends in an open vowel, so it sits easily against consonant-first surnames.
To consider
- The single-c Luca is far more widespread, so expect a lifetime of gentle spelling corrections — and of forms coming back as Luca or Luka.
- Because the name is essentially unspaced from Luca in sound, no one will hear the difference you chose. The doubled c is a thing seen, not heard.
- This name's wave is very new, so a child called Lucca will likely be the only one in the class — and among adults, the name is still rare enough to prompt a question.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
With your last name
Say both in full. The notes are facts about letters and sound — a rhyme, a shared initial, the monogram — not a verdict on either name.
Type a last name to hear Julius and Lucca in full.
Weighing the whole shortlist? Run the full comparison — up to eight names with your last name, initials, classroom projections and a printable report.
Decide together
Nobody names a baby alone
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More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
- One-decade wonders
- Victorian names ready for a second century
- Ancient Roman names in modern use
- Names that belong entirely to the 1880s
- all guides
Where Julius and Lucca each sit in the library — alternatives in the same style, ranked by the same records.
Julius or Lucca — the short answers
- Which is more popular, Julius or Lucca?
- Julius, in 2025: Julius ranked #424 with 759 babies; Lucca ranked #425 with 757 babies.
- Which name is rising faster, Julius or Lucca?
- Lucca. Over the last five years Julius moved down 89 places; Lucca moved up 31 places.
- Which is the older name, Julius or Lucca?
- Julius was already in use when US records began in 1880; Lucca entered the US charts in 1993. On the American record, Julius is the older name.
- How many people are named Julius and Lucca?
- About 47,000 people named Julius are estimated to be alive in the US today. About 7,800 people named Lucca are estimated to be alive in the US today.
- Will there be other Juliuss or Luccas in the classroom?
- Julius will almost certainly be the only one in school. Lucca will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
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