Kailen
Masculine
Kailen is given to both — 945 boys and 728 girls since 1880. See Kailen as a girl nameSee other names given to both
Kailen is recorded for boys and girls alike and has no documented parent. Its first syllable is the Scots word for cabbage, which named an entire literary movement, derisively, and the label stuck.
How old is the name Kailen?
Kailen first appears in US birth records in 1983 — 42 years ago. The typical Kailen alive today was born around 2010, making them about 15 years old. About 900 people named Kailen are estimated to be alive in the US today.
When was the name Kailen most popular?
Kailen peaked in 2014, reaching #2847 nationally. Today it ranks #4396, 1,549 places below that high. See the whole 2014 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
Our story of Kailen
In the eighteen-nineties a group of Scottish writers produced enormously popular sentimental novels about small village life, full of kindly ministers and deathbed scenes. A critic attacked them as the kailyard school, a kailyard being the cabbage patch behind a cottage, and the insult became the standard scholarly term for the genre. Scottish literature spent the next fifty years reacting against it, and the reaction produced a good deal of deliberately harsh writing about poverty and industry. A word for a vegetable garden is now a technical term in literary history, and it is still not a compliment.
Meaningnot established
Not established
The Irish word for a girl, a Gaelic element meaning slender, and a free American build have all been proposed. Nothing is documented and the record holds the spelling for both sexes.
Pronouncing Kailen
KAY-lun
Two syllables with the stress in front. kuh-LEEN is occasionally heard from readers meeting it cold.
Nicknames for Kailen
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
- 1983
- Most boys named
- 202343 — the highest on record
- Peak rank
- #2847reached in 2014
- Change vs 2024
- −39.5%23 in 2025, from 38
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.
Kailen in other languages
Strongest US states over the last decade: California, Texas, Georgia.
Kailens among us
people named Kailen are estimated to be alive in the US today
About 1 boy in 74,264 born in 2025 was named Kailen
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kailen
- #4396
- Kailen on the 2025 chart
- #856
- counting every spelling
The SSA counts spellings, not names. Kailen went to 23 boys in 2025, but Kaylen, Cailen and Caylen are the same name said out loud. Together the 4 spellings went to 72, which makes it the 856th most-given boys’ name of the year — 3,540 places above the chart.
- Kaylen36
- Kailen23
- Cailen7
- Caylen6
About 1 boy in 23,723 born in 2025 was given one of these spellings — against 1 in 74,264 for Kailen 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 Shadrach test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kailen's later chapters haven't been written yet, so we borrowed them: Shadrach climbed just as high around 1994, and its whole arc is on record. Line the two peaks up, and Shadrach's path sketches the road Kailen is walking now.
Kailen 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
Kailen beside its neighbors
The names ranked closest to Kailen in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Kai and Len are both available as short forms and both work on their own.
- It is short on paper and quick for a child to learn to write.
- It is recorded for boys and for girls, so it leaves a question open rather than closing it.
- Kaylen, Kalen and Caelan are all in the record and will be confused with it.
- Two readings are in circulation and the spelling settles neither.
- No origin is documented, so the meaning question has several candidates and no answer.
Nobody names a baby alone.
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Kailen
Masculine · #4396 in the U.S.
Frequently asked
- How many Kailens are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 900 people named Kailen are estimated to be alive in the US today.
- How do you spell Kailen?
- Kailen is one of 4 recorded spellings. Kaylen is the more common one — 36 births in 2025 against 23 for Kailen.
- How popular is the name Kailen in 2025?
- Kailen ranks #4396 among US boy names in 2025, with 23 babies given the name.
- How rare is the name Kailen?
- About 1 in every 74,264 US boys born in 2025 was named Kailen — 23 in all.
- Will my child share the name Kailen with classmates?
- Kailen will almost certainly be the only one in school.
Ranked beside Kailen
Names sitting at a similar level of popularity right now.
Odell#4396 · Corwin#4396 · Tennyson#4396 · Marques#4396 · Manu#4396 · Omid#4396 · Zackariah#4396 · Burton#4396
Looking for what else is popular rather than what resembles Kailen? See the current top 100.
Choosing between Kailen and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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