Head to head · Boys' names
Cal vs Hamza
#542 vs #541 in 2025 · Latin vs Arabic roots
Hamza is a whisker ahead (#541 vs #542 in 2025), but the curves point different ways: Hamza is climbing the charts fast, Cal is back after a long quiet spell. On momentum, Cal 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
The tape is even: Cal and Hamza each lead 3 measures of 6.
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: Cal #658, Hamza — — Cal higher
- 1890s: Cal #702, Hamza — — Cal higher
- 1900s: Cal #1049, Hamza — — Cal higher
- 1910s: Cal #1500, Hamza — — Cal higher
- 1920s: Cal #1542, Hamza — — Cal higher
- 1930s: Cal #1496, Hamza — — Cal higher
- 1940s: Cal #1269, Hamza — — Cal higher
- 1950s: Cal #1030, Hamza — — Cal higher
- 1960s: Cal #1171, Hamza — — Cal higher
- 1970s: Cal #1742, Hamza #5951 — Cal higher
- 1980s: Cal #1837, Hamza #3598 — Cal higher
- 1990s: Cal #1507, Hamza #1447 — Hamza higher
- 2000s: Cal #1538, Hamza #740 — Hamza higher
- 2010s: Cal #1402, Hamza #654 — Hamza higher
- 2020s: Cal #748, Hamza #589 — Hamza higher
Cal stood higher in 11 of 15 decades; Hamza has held the lead since the 1990s.
Rank by decade
| Decade | Cal | Hamza |
|---|---|---|
| 1880s | #658 | — |
| 1890s | #702 | — |
| 1900s | #1049 | — |
| 1910s | #1500 | — |
| 1920s | #1542 | — |
| 1930s | #1496 | — |
| 1940s | #1269 | — |
| 1950s | #1030 | — |
| 1960s | #1171 | — |
| 1970s | #1742 | #5951 |
| 1980s | #1837 | #3598 |
| 1990s | #1507 | #1447 |
| 2000s | #1538 | #740 |
| 2010s | #1402 | #654 |
| 2020s | #748 | #589 |
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
Cal
depends on the longer name behind it
Cal has no meaning of its own; it inherits one. Behind Calvin lies the French surname Cauvin, from Latin calvus, 'bald'. Behind Caleb lies a Hebrew name read as either 'dog' or 'whole-hearted'. Behind Callum lies Latin columba, 'dove'. Parents generally choose which of those roads they are on, or none of them.
calvus (Latin, 'bald') → Cauvin (French surname) → Calvin → Cal
How it traveled
Cal began as a clipping. Calvin came into American use from the surname of the sixteenth-century reformer John Calvin, a family name traced to French Cauvin and ultimately Latin calvus, 'bald'; Caleb came from the Hebrew Bible and was a favorite of English Puritans; Callum came through Gaelic from Latin columba, the dove, the name of the sixth-century Irish missionary Columba.
Hamza
Lion; strong, steadfast
Both glosses come from the same place: the Arabic root ḥ-m-z, which carries the sense of sharpness and strength, and the traditional reading of the name as "lion." The two are usually given side by side rather than in competition.
Ḥamza (Arabic) → Hamza → Hamzah
How it traveled
" From there it spread with Islam across an enormous stretch of the world, settling into Turkish, Persian, Kurdish, Bosnian, Urdu, Hausa and Malay with barely a change of shape. A Persian and Urdu romance cycle grew up around a legendary Amir Hamza, and the Mughal emperor Akbar had it illustrated in the sixteenth century as the Hamzanama, one of the great painted manuscripts.
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
Cal
KAL
One syllable, rhyming with pal. No regional variation to speak of in English.
- Cally — Informal extension rather than a shortening; used within families, and rarely on paper.
- Cal — Already the short form, which is why most bearers use it unchanged in every setting, formal and casual alike.
Hamza
HAM-zuh
Also said HUM-zah, closer to the Arabic, where the opening h is a deeper pharyngeal sound and the final vowel is short. Either version is standard in American English; the stress stays on the first syllable.
- Hamz — An informal clipping among English-speaking friends and classmates; not used as a name on its own.
- Hamzi — Affectionate family form, common in Arabic-speaking households.
- Hammo — Informal hypocoristic heard in Levantine Arabic and in Turkish and Balkan usage.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Cal if you want…
- a name on the way upup 392 places on the charts in five years
- a name with fewer syllablesCal is 1 syllable to Hamza's 2
- a long American recordCal was already in use when US records began in 1880
Choose Hamza if you want…
- a name with more sound in itHamza runs 2 syllables, Cal 1
- a newer arrivalHamza entered the US charts in 1977
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
Cal
Strengths
- One syllable, three letters, spelled the way it sounds — almost nothing to correct over a lifetime.
- Works either way: a full legal name on its own, or the everyday form of Calvin, Caleb or Callum if you want a longer version on the certificate.
- A long unbroken presence in American records, so it reads as inherited rather than invented.
To consider
- Because it began as a clipping, some people will ask what it is short for. Bearers of standalone Cal spend a certain amount of life answering "just Cal."
- In noisy rooms it can be misheard as Carl, Kyle or Hal. A repeat usually settles it, but it happens often enough to notice.
- It is short enough to disappear beside a very short surname; try it aloud with yours before deciding.
Hamza
Strengths
- One dominant spelling that is already known to hundreds of millions of people across Arabic, Turkish, Urdu and Malay-speaking communities.
- Two syllables, first-syllable stress, no silent letters — it survives being said quickly and written on a form.
- An unbroken record stretching back to seventh-century Arabia, so it has never needed reviving.
To consider
- The -mz- cluster is unusual in English, so expect a first attempt at "HAM-za" from some people and a stumble from others. Most learn it after one correction.
- Hamzah is the standard spelling in Malaysia and Indonesia and turns up in the US too, so whichever you pick, the other will occasionally be assumed.
- There is no long-established English short form waiting in the wings — families tend to use the full name, with Hamz or Hamzi appearing informally.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Cal
30%chance Cal feels dated by 2040
Cal is on its second act. Revived names age gently: the generation that wore them first is far enough away that the name feels classic rather than dated.
Hamza
49%chance Hamza feels dated by 2040
Hamza is climbing fast right now. Steep climbs tend to come with steep descents — the quicker a name arrives, the more firmly it belongs to its moment.
A reading of where each name sits on the long naming cycle — computed, not measured, and explained on the data page.
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 Cal and Hamza 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 Cal and Hamza?
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 these names appear on
- Vintage names making a comeback
- Grandmother-chic: 1920s names ready to return
- Three-letter names: tiny and complete
- Victorian names ready for a second century
- all guides
Where Cal and Hamza each sit in the library — alternatives in the same style, ranked by the same records.
Cal or Hamza — the short answers
- Which is more popular, Cal or Hamza?
- Hamza, in 2025: Hamza ranked #541 with 556 babies; Cal ranked #542 with 554 babies.
- Which name is rising faster, Cal or Hamza?
- Cal. Over the last five years Cal moved up 392 places; Hamza moved up 118 places.
- Which is the older name, Cal or Hamza?
- Cal was already in use when US records began in 1880; Hamza entered the US charts in 1977. On the American record, Cal is the older name.
- How many people are named Cal and Hamza?
- About 6,500 people named Cal are estimated to be alive in the US today. About 10,500 people named Hamza are estimated to be alive in the US today.
- Will there be other Cals or Hamzas in the classroom?
- Cal will almost certainly be the only one in school. Hamza 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
Keep playing
Sixty more head-to-heads are dealt in the arena every day — or line up Cal, Hamza and the rest of your shortlist with your last name in one printable report.
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