Head to head · Boys' names
Dexter vs Tomas
#692 vs #691 in 2025
Tomas is a whisker ahead (#691 vs #692 in 2025), but the curves point different ways: Tomas is holding its place on the charts, Dexter is stepping back from its peak.
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, Tomas leads 3 measures of 6; Dexter leads 2.
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: Dexter #702, Tomas #493 — Tomas higher
- 1890s: Dexter #865, Tomas #638 — Tomas higher
- 1900s: Dexter #784, Tomas #529 — Tomas higher
- 1910s: Dexter #766, Tomas #638 — Tomas higher
- 1920s: Dexter #708, Tomas #514 — Tomas higher
- 1930s: Dexter #667, Tomas #501 — Tomas higher
- 1940s: Dexter #522, Tomas #496 — Tomas higher
- 1950s: Dexter #397, Tomas #530 — Dexter higher
- 1960s: Dexter #354, Tomas #540 — Dexter higher
- 1970s: Dexter #423, Tomas #497 — Dexter higher
- 1980s: Dexter #441, Tomas #478 — Dexter higher
- 1990s: Dexter #540, Tomas #474 — Tomas higher
- 2000s: Dexter #785, Tomas #500 — Tomas higher
- 2010s: Dexter #421, Tomas #680 — Dexter higher
- 2020s: Dexter #649, Tomas #715 — Dexter higher
Tomas stood higher in 9 of 15 decades; Dexter has held the lead since the 2010s.
Rank by decade
| Decade | Dexter | Tomas |
|---|---|---|
| 1880s | #702 | #493 |
| 1890s | #865 | #638 |
| 1900s | #784 | #529 |
| 1910s | #766 | #638 |
| 1920s | #708 | #514 |
| 1930s | #667 | #501 |
| 1940s | #522 | #496 |
| 1950s | #397 | #530 |
| 1960s | #354 | #540 |
| 1970s | #423 | #497 |
| 1980s | #441 | #478 |
| 1990s | #540 | #474 |
| 2000s | #785 | #500 |
| 2010s | #421 | #680 |
| 2020s | #649 | #715 |
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
Dexter
'dyer' (one who dyes cloth), from the English surname; or 'right-handed, skillful' in Latin
The surname route is the documented one: Middle English *dexter*, *dyestere*, an occupational term for a dyer, originally a feminine agent noun in -ster that later applied to men too. Running alongside it is Latin *dexter*, 'on the right hand', hence 'skillful, favorable' — the root behind English *dexterity* and the heraldic *dexter* side of a shield. Both readings are genuinely attached to the name; the English trade word explains the surname, the Latin word explains much of the name's later appeal.
Old English dēag ('dye') → Middle English dyestere / dexter ('dyer') → Dexter (English surname) → Dexter (given name)
How it traveled
In medieval England, a dyer of cloth could be recorded as a *dyestere* or *dexter*, and the trade word became a hereditary surname in the way trade words often did — Baker, Fletcher, Webster. Surnames of that kind crossed to America and, in the nineteenth-century New England fashion for family names as first names, began appearing on baptismal and census records as given names.
Tomas
twin
From Aramaic te'oma, 'twin'. The Gospel of John glosses the apostle's name with the Greek word Didymos, which means the same thing.
Te'oma (Aramaic) → Thomas (Greek) → Thomas (Latin) → Tomás / Tomáš → Tomas
How it traveled
The name begins in Aramaic as te'oma, 'twin', and reaches the wider world through the apostle called Thomas in the Gospels — the one the Greek text also names Didymos. Greek and Latin carried it across the Mediterranean, and medieval Christendom spread it into nearly every European language, where each one filed down a different edge: Thomas in England and France, Tommaso in Italy, Tomasz in Poland, Tomás in Spain, Portugal and Ireland.
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
Dexter
DEK-ster
Stress on the first syllable. It has one pronunciation everywhere in English, and the spelling gives it away on sight.
- Dex — The standard short form, used informally and increasingly given on its own as a full first name.
- Dexy — A family-and-childhood diminutive rather than an adult one.
Tomas
TOH-mahs
English speakers usually stress the first syllable. In Spanish and Portuguese the accented form Tomás puts the stress on the second: toh-MAHS. Both are correct for their own language, so it helps to decide early which one your family will use.
- Tom — The universal short form across English and most European languages; also stands alone as a given name.
- Tommy — Informal and affectionate, common from childhood on; used as an independent given name too.
- Tomi — Informal, familiar in Spanish- and Lithuanian-speaking families.
- Tomasito — Spanish diminutive, used within families rather than at school or work.
- Also Tomy.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Dexter if you want…
- a name past its most crowded yearsDexter is stepping back from its peak
Choose Tomas if you want…
- a name on the way upup 16 places on the charts in five years
- plenty of nickname options5 recorded short forms — Tom, Tommy and Tomi
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
Dexter
Strengths
- Comes with Dex built in — a one-syllable short form that works from the playground through a working life, and that stands alone as a name in its own right.
- Spelled the way it sounds; almost no one will need it repeated or corrected.
- On American birth records continuously since such records began, so it reads as familiar rather than newly coined.
To consider
- The Showtime series *Dexter*, which ran from 2006 and starred a blood-spatter analyst who was also a serial killer, is the association many adults reach for first. It has faded with time, but it has not disappeared.
- The cartoon *Dexter's Laboratory*, from the mid-1990s, gave the name a boy-genius-in-glasses image for a whole generation of viewers — harmless, but it is out there.
- It is stepping back gradually from its high point rather than rising, so it sits in the quieter middle of the register: known to everyone, common nowhere.
Tomas
Strengths
- Shortens to Tom and Tommy without any explanation needed anywhere in the English-speaking world.
- Works unchanged in Spanish, Portuguese, Czech, Lithuanian, Swedish and Norwegian — a rare thing for a name this short.
- A documented line running from Aramaic through Greek and Latin into nearly every European language.
To consider
- It will be written as Thomas by people who are not listening carefully — on forms, in emails, on class lists. Most bearers make peace with correcting it.
- The accent is a lifelong small decision: Tomás is standard in Spanish and Portuguese, but American systems drop diacritics constantly, so the two spellings will follow him around.
- Stress shifts between languages, so relatives may say the name differently from teachers. Families generally settle this by simply choosing one and repeating it.
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 Dexter and Tomas 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
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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
- Midcentury modern: tomorrow's comeback bets
- Names with an X in them
- Names with an edge
- Quiet perennials: a century old, never popular
- all guides
Where Dexter and Tomas each sit in the library — alternatives in the same style, ranked by the same records.
Dexter or Tomas — the short answers
- Which is more popular, Dexter or Tomas?
- Tomas, in 2025: Tomas ranked #691 with 394 babies; Dexter ranked #692 with 393 babies.
- Which name is rising faster, Dexter or Tomas?
- Tomas. Over the last five years Dexter moved down 134 places; Tomas moved up 16 places.
- Which is the older name, Dexter or Tomas?
- The US record cannot say: both were already in use when it began in 1880.
- How many people are named Dexter and Tomas?
- About 31,000 people named Dexter are estimated to be alive in the US today. About 25,000 people named Tomas are estimated to be alive in the US today.
- Will there be other Dexters or Tomass in the classroom?
- Dexter will almost certainly be the only one in school. Tomas 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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