Head to head · Boys' names
Caleb vs Isaiah
#58 vs #57 in 2025 · both holding its place on the charts
Isaiah is a whisker ahead (#57 vs #58 in 2025) and both are holding its place on the charts. The records will not split these two — sound, story and your own last name will.
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: Caleb and Isaiah each lead 2 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: Caleb #429, Isaiah #322 — Isaiah higher
- 1890s: Caleb #746, Isaiah #366 — Isaiah higher
- 1900s: Caleb #783, Isaiah #430 — Isaiah higher
- 1910s: Caleb #974, Isaiah #534 — Isaiah higher
- 1920s: Caleb #1123, Isaiah #550 — Isaiah higher
- 1930s: Caleb #1216, Isaiah #576 — Isaiah higher
- 1940s: Caleb #1256, Isaiah #582 — Isaiah higher
- 1950s: Caleb #1170, Isaiah #675 — Isaiah higher
- 1960s: Caleb #1077, Isaiah #889 — Isaiah higher
- 1970s: Caleb #491, Isaiah #731 — Caleb higher
- 1980s: Caleb #148, Isaiah #322 — Caleb higher
- 1990s: Caleb #60, Isaiah #135 — Caleb higher
- 2000s: Caleb #35, Isaiah #44 — Caleb higher
- 2010s: Caleb #39, Isaiah #47 — Caleb higher
- 2020s: Caleb #53, Isaiah #56 — Caleb higher
Isaiah stood higher in 9 of 15 decades; Caleb has held the lead since the 1970s.
Rank by decade
| Decade | Caleb | Isaiah |
|---|---|---|
| 1880s | #429 | #322 |
| 1890s | #746 | #366 |
| 1900s | #783 | #430 |
| 1910s | #974 | #534 |
| 1920s | #1123 | #550 |
| 1930s | #1216 | #576 |
| 1940s | #1256 | #582 |
| 1950s | #1170 | #675 |
| 1960s | #1077 | #889 |
| 1970s | #491 | #731 |
| 1980s | #148 | #322 |
| 1990s | #60 | #135 |
| 2000s | #35 | #44 |
| 2010s | #39 | #47 |
| 2020s | #53 | #56 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
Around the world
Caleb
- Canada#35
- Scotland#49
- England & Wales#75
Isaiah
- Canada#95
National statistics offices, latest published year.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Caleb
dog
The plain Hebrew reading is dog, which was not the insult in that culture that it is in ours — a dog is loyal and follows. An alternative reading takes it from words for whole and heart, which the text itself hints at when it repeatedly says he followed wholeheartedly. Neither has won.
Kalev → Caleb
How it traveled
Twelve scouts are sent into Canaan to report on it. Ten come back saying the land is good and the people in it are giants, and the nation panics; Caleb and Joshua say the same land can be taken and are nearly stoned for it.
Isaiah
the Lord is salvation
From the Hebrew Yesha'yahu, joining a verb meaning to save or deliver to a short form of the divine name. The -iah ending appears across a whole family of prophetic names — Jeremiah, Zechariah, Obadiah, Nehemiah — and it is the same divine element every time, which is why they rhyme.
Yesha'yahu → Esaias → Isaiah
How it traveled
The book is long, and scholars have argued since the eighteenth century that it is the work of more than one hand: the first thirty-nine chapters belong to Jerusalem in the eighth century before the common era, and the material from chapter forty onward addresses people already in exile in Babylon, two hundred years later. That is not a modern skepticism so much as an observation about who the text speaks to.
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
Caleb
KAY-lub
Two syllables with the stress at the front. Hebrew says kah-LEV, with the weight at the back and a v at the end, which is a noticeably different word.
- Cale — The name without its last letter, said KAYL.
- Cab — The outer letters used as a familiar form, in the way families make one.
Isaiah
eye-ZAY-uh
Three syllables, stress in the middle. Spanish says Isaías with four and the weight at the end. The h at the end of the English spelling is silent and represents the Hebrew consonant that closes the divine name.
- Zay — Taken from the middle of the name, which is unusual; it is now a standing name of its own and by far the commonest everyday form.
- Izzy — Older and gentler, shared with Isaac and Isabel; warm and fully unisex.
- Isa — The front of the name, which is also the Arabic name for Jesus; short and used in some families as a formal short form.
Who has carried each name
Caleb
Caleb McLaughlin (b. 2001) — Stranger Things' Lucas
Isaiah
No documented entry for Isaiah yet.
Source: Wikidata — the one source on this page that is not an official agency.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Caleb if you want…
- a name with fewer syllablesCaleb is 2 syllables to Isaiah's 3
- a name that charts abroad tooCaleb is on the national lists of Canada, Scotland and England & Wales
Choose Isaiah if you want…
- a name with more sound in itIsaiah runs 3 syllables, Caleb 2
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
Caleb
Strengths
- It is instantly recognizable without being difficult for anybody.
- Two syllables with front stress is the plainest shape English has.
- The spelling is stable, which is rare in a name this common.
To consider
- The plain reading of the name is dog, which some families mind.
- Kaleb and Calev are both recorded and will be written for it.
- It has no short form, so there is no retreat from the full name.
Isaiah
Strengths
- It has been in continuous use for something close to three thousand years.
- Zay is a genuinely modern short form and Izzy an old one, so a boy has range.
- It is recognized in Judaism, Christianity and Islam alike.
To consider
- It has been very heavily used in the last two decades, so a boy will meet others of his age.
- Isaias, Izaiah and Isiah all appear in American records, so the spelling is asked for more often than the standard version suggests.
- Nearly every child given this spelling is a boy; the record's girls are very few.
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 Caleb and Isaiah 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 Caleb and Isaiah?
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
- America's top 100 names right now
- Generation Z names (born 1997–2012)
- Generation Alpha names (born 2013 onward)
- all guides
Every list here names both Caleb and Isaiah — the same style, ranked by the same records.
Caleb or Isaiah — the short answers
- Which is more popular, Caleb or Isaiah?
- Isaiah, in 2025: Isaiah ranked #57 with 5,267 babies; Caleb ranked #58 with 5,217 babies.
- Which name is rising faster, Caleb or Isaiah?
- Neither is rising. Over the last five years Caleb moved down 2 places; Isaiah moved down 6 places.
- Which is the older name, Caleb or Isaiah?
- The US record cannot say: both were already in use when it began in 1880.
- How many people are named Caleb and Isaiah?
- About 317,000 people named Caleb are estimated to be alive in the US today. About 246,000 people named Isaiah are estimated to be alive in the US today.
- Will there be other Calebs or Isaiahs in the classroom?
- Caleb will almost certainly be the only one in school. Isaiah will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025; international figures from national statistics agencies. 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 Caleb, Isaiah and the rest of your shortlist with your last name in one printable report.
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