Kellan
Masculine · “slender”
Kellan is given to both — 10,752 boys and 517 girls since 1880. See Kellan as a girl nameSee other names given to both
Caol is the Gaelic word for narrow, and it is all over the map of Scotland and Ireland: a kyle is a narrow strait, Kyle of Lochalsh is named for one. The same word stands behind Kellan, so a name and a stretch of water share a root that means slim.
How old is the name Kellan?
Kellan first appears in US birth records in 1958 — 67 years ago. The typical Kellan is a kid of about 12 — this name's wave is very recent. About 10,500 people named Kellan are estimated to be alive in the US today.
When was the name Kellan most popular?
Kellan peaked in 2011, reaching #363 nationally. Today it ranks #1030, 667 places below that high. See the whole 2011 chart.
Kellan appears on this list:
Where it comes from
From caol to Kellan
The story of Kellan
Ireland turned descriptions into surnames and then England stripped the surnames of their prefixes, so O Caollaidhe became Kealy, Keeley and Kellen, and the descriptive word underneath stopped being visible. Caol is still an ordinary Irish and Scottish Gaelic word — narrow, slim, thin — and it survives in English as kyle, the term for a strait, which is why so many Scottish sea-channels carry it. Kellan as a first name is recent. It appeared quietly in American records for decades and then rose sharply in the late 2000s, when an actor of that name appeared in a film series watched by an enormous number of teenagers; the timing is not a coincidence.
Meaningscholars disagree
slender
Usually traced to Irish caol, narrow or slender, through the surname O Caollaidhe. A second account connects it to ceallach, the word behind Kelly, whose own meaning is disputed. Both are Irish and neither has been settled; what is certain is that the name reached English as a surname before it was ever a given name.
How the name formed
- caol
- O Caollaidhe
- Kellen
- Kellan
Related forms: Caolan · Caolan
Pronouncing Kellan
KEL-un
Two syllables, stress on the first. Kellan and Kellen are said identically; the a and the e are both reduced to almost nothing in the second syllable.
Nicknames for Kellan
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1958
- Most boys named
- 2013843 — the highest on record
- Peak rank
- #363reached in 2011
- Change vs 2024
- −14.7%215 in 2025, from 252
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Kellan in other languages
The same name elsewhere
- Caolan in Irish — related form
- Caolan in Scottish Gaelic — related form
Strongest US states over the last decade: California, Texas, Pennsylvania.
Kellans among us
people named Kellan are estimated to be alive in the US today
About 1 boy in 7,945 born in 2025 was named Kellan
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kellan
- #1030
- Kellan on the 2025 chart
- #651
- counting every spelling
The SSA counts spellings, not names. Kellan went to 215 boys in 2025, but Keelan and Kelan are the same name said out loud. Together the 3 spellings went to 290, which makes it the 651st most-given boys’ name of the year — 379 places above the chart.
About 1 boy in 5,890 born in 2025 was given one of these spellings — against 1 in 7,945 for Kellan itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Stevie test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kellan's later chapters haven't been written yet, so we borrowed them: Stevie climbed just as high around 1957, and its whole arc is on record. Line the two peaks up, and Stevie's path sketches the road Kellan is walking now.
Kellan sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Kellan is headed
Kellan should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Kellan beside its neighbors
The names ranked closest to Kellan in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Two syllables and a spelling that everyone reads correctly on sight.
- A documented Irish root that is still a living word in two languages.
- Kell works as a short form for either child.
- Kellen, Kelan and Kealan are all in use, so the spelling will be given often.
- The wave it rose on is very recent, and the name will date a child to it.
- The very few girls given this spelling will be read as boys on every form.
Nobody names a baby alone.
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What they receive
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Kellan
Masculine · #1030 in the U.S.
Frequently asked
- How many Kellans are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 10,500 people named Kellan are estimated to be alive in the US today.
- How do you spell Kellan?
- Kellan is the most-used spelling in US records — 215 of the 290 babies given the name in 2025. The others recorded are Keelan and Kelan.
- How popular is the name Kellan in 2025?
- Kellan ranks #1030 among US boy names in 2025, with 215 babies given the name.
- How rare is the name Kellan?
- About 1 in every 7,945 US boys born in 2025 was named Kellan — 215 in all.
- Will my child share the name Kellan with classmates?
- Kellan will almost certainly be the only one in school.
Ranked beside Kellan
Names sitting at a similar level of popularity right now.
Yaseen#1030 · Ivaan#1030 · Shai#1030 · Kaius#1028 · Devon#1028 · Zavier#1034 · Carmine#1034 · Gatlin#1026
Looking for what else is popular rather than what resembles Kellan? See the current top 100.
Choosing between Kellan and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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