Kayley
Feminine
Kayley is one of many spellings of a very popular American sound, and it has a genuine Irish neighbor that families often have in mind: céilí, the evening gathering with music and dancing.
How old is the name Kayley?
Kayley first appears in US birth records in 1977 — 48 years ago. The typical Kayley alive today was born around 2003, making them about 22 years old. About 8,500 people named Kayley are estimated to be alive in the US today.
When was the name Kayley most popular?
Kayley peaked in 1999, reaching #548 nationally. Today it ranks #3389, 2,841 places below that high. See the whole 1999 chart.
Where it comes from
Origin, sound and short forms
Our story of Kayley
Ours, offered as ours. The Irish céilí is worth knowing about even if it is not the source. It began as the word for simply calling on a neighbor in the evening and became the word for a whole gathering — music, dancing, a house full of people. That is one of the better things a name could be near. The American Kayley almost certainly came from Kay plus an ending rather than from Ireland, and both facts can be held at once without pretending either is the other.
Meaningnot established
Not established
No source is established for the compound. Irish céilí, a social visit and then a gathering with music, is a real word and a real near-neighbor; the English surname Kayley and Kelly, from Irish Ó Caollaidhe, is another. The modern American name is generally treated as a construction from Kay and the -ley ending.
Pronouncing Kayley
KAY-lee
Two syllables, first stressed. Every spelling of the name sounds the same.
Nicknames for Kayley
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
- 1977
- Most girls named
- 1999461 — the highest on record
- Peak rank
- #548reached in 1999
- Change vs 2024
- −8.2%45 in 2025, from 49
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.
Kayley in other languages
The same name elsewhere
- Céilí in Irish — related form
- Kaylee in English — spelling variant
Strongest US states over the last decade: California, New York, Florida.
Kayleys among us
people named Kayley are estimated to be alive in the US today
About 1 girl in 35,717 born in 2025 was named Kayley
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kayley
- #3389
- Kayley on the 2025 chart
- #726
- counting every spelling
The SSA counts spellings, not names. Kayley went to 45 girls in 2025, but Kailey, Cailey and Kaylei and the rest below are the same name said out loud. Together the 5 spellings went to 236, which makes it the 726th most-given girls’ name of the year — 2,663 places above the chart.
About 1 girl in 6,810 born in 2025 was given one of these spellings — against 1 in 35,717 for Kayley 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 Deidra test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kayley's later chapters haven't been written yet, so we borrowed them: Deidra climbed just as high around 1980, and its whole arc is on record. Line the two peaks up, and Deidra's path sketches the road Kayley is walking now.
Kayley 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 Kayley is headed
Kayley is easing off slowly — about 18% fewer babies a year by 2030 if the trend continues.
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.
Kayley beside its neighbors
The names ranked closest to Kayley in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Read correctly on sight by every English speaker.
- Kay is a plain short form with real mid-century history behind it.
- The Irish céilí is a genuinely good thing to stand near.
- Kaylee, Kayleigh, Kaylie and Kayley are four live spellings and she will recite hers.
- The sound is extremely widely used, so a classroom may hold more than one.
- There is no documented meaning for the compound.
Nobody names a baby alone.
Put Kayley to the vote.
Add it to a family vote or a couple’s swipe deck — the other person gets one card, a simple answer and room to say why. No app, no account for them.
Only the people you invite can see your list.
Already decided on Kayley? Hide it among decoys and let them guess.
What they receive
Someone added a name to your list
Kayley
Feminine · #3389 in the U.S.
Frequently asked
- How many Kayleys are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 8,500 people named Kayley are estimated to be alive in the US today.
- How do you spell Kayley?
- Kayley is one of 5 recorded spellings. Kailey is the more common one — 153 births in 2025 against 45 for Kayley.
- How popular is the name Kayley in 2025?
- Kayley ranks #3389 among US girl names in 2025, with 45 babies given the name.
- How rare is the name Kayley?
- About 1 in every 35,717 US girls born in 2025 was named Kayley — 45 in all.
- Will my child share the name Kayley with classmates?
- Kayley will almost certainly be the only one in school.
Ranked beside Kayley
Names sitting at a similar level of popularity right now.
Katheryn#3389 · Posey#3389 · Ronni#3389 · Gittel#3389 · Betsabe#3389 · Germany#3389 · Jaslene#3389 · Lovina#3389
Looking for what else is popular rather than what resembles Kayley? See the current top 100.
Choosing between Kayley and another name?
See them side by side — full stats, history and a gentle verdict.
Compare side by sideIn a hurry? Just pick a winner — one tap, no sign-up, and you see how everyone else voted.
Weighing a whole shortlist? Add the rest in the builder, or settle it with a bracket.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
No advertising trackers and no data sellinghow we handle your dataindependent and founder-run, about Name Battle