Head to head · Boys' names
Marcelo vs Matthias
#398 vs #372 in 2025
Matthias is ahead (#372 vs #398 in 2025), but the curves point different ways: Matthias is holding its place on the charts, Marcelo is climbing the charts fast. On momentum, Marcelo 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, Matthias leads 5 measures of 6; Marcelo 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: Marcelo —, Matthias #861 — Matthias higher
- 1890s: Marcelo —, Matthias #1041 — Matthias higher
- 1900s: Marcelo #1200, Matthias — — Marcelo higher
- 1910s: Marcelo #2642, Matthias #1623 — Matthias higher
- 1920s: Marcelo #1903, Matthias #2560 — Marcelo higher
- 1930s: Marcelo #1575, Matthias #2882 — Marcelo higher
- 1940s: Marcelo #1673, Matthias #2789 — Marcelo higher
- 1950s: Marcelo #1550, Matthias #3071 — Marcelo higher
- 1960s: Marcelo #1249, Matthias #1930 — Marcelo higher
- 1970s: Marcelo #1025, Matthias #1867 — Marcelo higher
- 1980s: Marcelo #1058, Matthias #1360 — Marcelo higher
- 1990s: Marcelo #966, Matthias #1297 — Marcelo higher
- 2000s: Marcelo #853, Matthias #930 — Marcelo higher
- 2010s: Marcelo #733, Matthias #577 — Matthias higher
- 2020s: Marcelo #522, Matthias #444 — Matthias higher
Marcelo stood higher in 10 of 15 decades; Matthias has held the lead since the 2010s.
Rank by decade
| Decade | Marcelo | Matthias |
|---|---|---|
| 1880s | — | #861 |
| 1890s | — | #1041 |
| 1900s | #1200 | — |
| 1910s | #2642 | #1623 |
| 1920s | #1903 | #2560 |
| 1930s | #1575 | #2882 |
| 1940s | #1673 | #2789 |
| 1950s | #1550 | #3071 |
| 1960s | #1249 | #1930 |
| 1970s | #1025 | #1867 |
| 1980s | #1058 | #1360 |
| 1990s | #966 | #1297 |
| 2000s | #853 | #930 |
| 2010s | #733 | #577 |
| 2020s | #522 | #444 |
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
Marcelo
Little Marcus — a diminutive of Marcus, the Roman name tied to Mars
The line from Marcus to Marcellus to Marcelo is not in doubt. The one soft spot is further back: Marcus itself is standardly connected to Mars, god of war and, in older Roman religion, of agriculture, though the very earliest sense of the god's own name is beyond recovery.
Marcus → Marcellus → Marcello → Marcelo
How it traveled
Marcellus began as a Roman cognomen, a diminutive of the extremely common praenomen Marcus, and it stayed in use through the Republic, the Empire and into the Christian centuries, when several early bishops of Rome carried it. Latin names ending in -ellus regularly softened into -ello and -elo as Latin became Italian, Spanish and Portuguese, and Marcelo is the Iberian result of that ordinary sound change.
Matthias
Gift of Yahweh
From Hebrew Mattityahu, from mattath 'gift' and the divine name. Matthew comes from the same Hebrew source through a slightly different Greek spelling, which is why the two names look and mean so much alike.
Mattityahu → Matthias (Greek) → Matthias (Latin) → Mathias → Matthias
How it traveled
The Hebrew name Mattityahu reached Greek in two shapes, Matthaios and Matthias, and both survived. Matthias is the one used in the Acts of the Apostles for the man chosen by lot to fill the twelfth place after Judas, which fixed the spelling in Latin scripture and sent it across Christian Europe.
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
Marcelo
mar-SEH-loh
Stress on the middle syllable. In Latin American Spanish and Brazilian Portuguese the c is an s sound; in Spain it is the th of 'think'. English speakers usually land on mar-SELL-oh, which everyone accepts.
- Marce — The everyday clip in Spanish-speaking families; informal, used among friends and siblings.
- Chelo — A traditional Spanish hypocoristic taken from the middle of the name; used within families and also heard as a short form of other names.
- Celo — Informal, common in Brazilian Portuguese usage.
- Marcelito — Affectionate diminutive, mostly used for small children by relatives.
- Also Marc.
Matthias
muh-THY-us
That is the usual English reading. German and Scandinavian speakers say mah-TEE-ahs, and Spanish Matías is mah-TEE-as; families with those ties often keep their own version, so it is worth deciding early which one you will offer when introducing him.
- Matt — The everyday short form in English, shared with Matthew and Matteo; long established as a standalone given name too.
- Matty — Informal and affectionate, common in childhood and among family.
- Thias — Used in German-speaking families, clipped from the back of the name rather than the front.
- Mat — A one-t spelling of the short form, less common than Matt.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Marcelo if you want…
- a name fewer children share#398 in 2025 — marcelo will almost certainly be the only one in school
- a name on the way upup 243 places on the charts in five years
- a newer arrivalMarcelo entered the US charts in 1907
Choose Matthias if you want…
- a name most people already know#372 in 2025, 854 babies that year
- a name holding steadyMatthias is holding its place on the charts
- a long American recordMatthias was already in use when US records began in 1880
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
Marcelo
Strengths
- One spelling serves Spanish, Portuguese and English, and the pronunciation stays close enough across all three that no one has to relearn it.
- A documented line back to Roman Latin, with the same name still in daily use as Marcello, Marcel and Marceli across Europe.
- Several real short forms already in circulation — Marce, Chelo, Celo — so a child is not stuck with all three syllables every time.
To consider
- The near-twins cause trouble: Marcello with two Ls is Italian, Marcelino and Marcelina are separate names, and Marcelo will occasionally be written with the extra L by people acting on instinct.
- Some English speakers, seeing the -cel-, reach for the Italian ch sound and say mar-CHEL-oh. A quick correction usually settles it, but expect to give it now and then.
- It is rising rather than resting, so the near-certainty of being the only one in a school today is less of a promise for the years ahead.
Matthias
Strengths
- Ready-made short forms: Matt and Matty are already understood everywhere in English, with no explaining required.
- Recognizable across German, Dutch, Scandinavian, Hungarian and Spanish-speaking families, in forms close enough to be identified as the same name.
- A documented line running from Hebrew through Greek and Latin into modern European languages, unbroken for two thousand years.
To consider
- It is constantly heard as Matthew, and Matt belongs to both. If the full form matters to you, expect to correct people for years — and to hear him introduced as Matt anyway.
- Two spellings compete, Matthias and Mathias, and two pronunciations do as well: muh-THY-us in English, mah-TEE-as in German and Scandinavian mouths. Neither is wrong, which is precisely why both keep coming back.
- Its recent American growth means most people carrying it here are still young; the name reads as newer in the US than its long European history suggests.
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 Marcelo and Matthias 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
Still torn between Marcelo and Matthias?
Put both to the vote.
One link to your partner, your parents, your sister. Each of them gets the two names, a one-tap answer and room to say why — and every reply lands in one place.
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More than two in the running? Settle it with a bracket or run the full comparison with your last name.
More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists that carry both names
Every list here names both Marcelo and Matthias — the same style, ranked by the same records.
Marcelo or Matthias — the short answers
- Which is more popular, Marcelo or Matthias?
- Matthias, in 2025: Matthias ranked #372 with 854 babies; Marcelo ranked #398 with 798 babies.
- Which name is rising faster, Marcelo or Matthias?
- Marcelo. Over the last five years Marcelo moved up 243 places; Matthias moved up 54 places.
- Which is the older name, Marcelo or Matthias?
- Marcelo entered the US charts in 1907; Matthias was already in use when US records began in 1880. On the American record, Matthias is the older name.
- How many people are named Marcelo and Matthias?
- About 12,500 people named Marcelo are estimated to be alive in the US today. About 13,000 people named Matthias are estimated to be alive in the US today.
- Will there be other Marcelos or Matthiass in the classroom?
- Marcelo will almost certainly be the only one in school. Matthias 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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