Kiley
Feminine · “graceful”
Kiley is given to both — 19,175 girls and 1,097 boys since 1880. See Kiley as a boy nameSee other names given to both
Kiley is an Irish surname that America turned into a girls' first name, and it ends the way an enormous number of English words end: with a y standing in for a sound that ought to be written with an i. That habit is older than printing, and it comes from a problem with handwriting rather than a decision about names.
How old is the name Kiley?
Kiley first appears in US birth records in 1958 — 67 years ago. The typical Kiley alive today was born around 2004, making them about 21 years old. About 19,000 people named Kiley are estimated to be alive in the US today.
When was the name Kiley most popular?
Kiley peaked in 2008, reaching #307 nationally. Today it ranks #2778, 2,471 places below that high. See the whole 2008 chart.
Lists built from the same records:
Where it comes from
From an Irish surname anglicized from several distinct originals to Kiley
The story of Kiley
Richard Kiley was the first man to sing The Impossible Dream. He created Don Quixote in Man of La Mancha on Broadway in 1965 and won a Tony for it, having already won one years earlier, and he turned down the film so that Peter O'Toole could be dubbed by somebody else. He spent the rest of a long career as one of those actors whose face everyone knew and whose name nobody could produce on demand — which the makers of Jurassic Park turned into a joke, hiring him to narrate the park's tour recording and then having a character say, delightedly, that they had spared no expense: that is Richard Kiley.
Meaningscholars disagree
graceful, or comely
The surname is anglicized from an Irish original built on a word meaning graceful or handsome, though several distinct Irish families were flattened into the same English spelling and the trail back is not clean for most of them. The written ending is the more interesting half. In medieval hands, i, m, n, u and v were all made of the same short vertical stroke, and a string of them was genuinely hard to read — so scribes wrote y at the end of a word, where its tail dropped below the line and could not be lost. English never went back. It is why the sound at the end of Kiley, Molly, Emily and happy is written with a y and almost never with an i.
How the name formed
- an Irish surname anglicized from several distinct originals
- Kiely and Kiley in English and American records
- moved to the front as an American first name
- used first for boys, then overwhelmingly for girls
- peaks in the middle 2000s and steps back
Related forms: O Cadhla · Kiely · Kylie
Pronouncing Kiley
KY-lee
Two syllables, stress at the front, rhyming with highly. The one hazard is Kylie, which is a different name with the same sounds in a different order on the page, and the two are swapped constantly.
Nicknames for Kiley
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 girls named
- 20081,090 — the highest on record
- Peak rank
- #307reached in 2008
- Change vs 2024
- +7.0%61 in 2025, from 57
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.
Kiley in other languages
The same name elsewhere
- O Cadhla in Irish — related form
- Kiely in English — spelling variant
- Kylie in English — related form
Strongest US states over the last decade: California, Florida, Georgia.
Kileys among us
people named Kiley are estimated to be alive in the US today
About 1 girl in 26,349 born in 2025 was named Kiley
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kiley
- #2778
- Kiley on the 2025 chart
- #880
- counting every spelling
The SSA counts spellings, not names. Kiley went to 61 girls in 2025, but Kylei and Kyley are the same name said out loud. Together the 3 spellings went to 80, which makes it the 880th most-given girls’ name of the year — 1,898 places above the chart.
About 1 girl in 20,091 born in 2025 was given one of these spellings — against 1 in 26,349 for Kiley 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 Chandra test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kiley's later chapters haven't been written yet, so we borrowed them: Chandra climbed just as high around 1975, and its whole arc is on record. Line the two peaks up, and Chandra's path sketches the road Kiley is walking now.
Kiley 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 Kiley is headed
Kiley is easing off slowly — about 25% fewer babies a year by 2030 if the trend continues.
High 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.
Kiley beside its neighbors
The names ranked closest to Kiley in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- It is easy to say at first sight and short enough to survive any amount of shouting across a playground.
- It carries a real Irish surname behind it rather than being assembled from sounds.
- It suits a child and an adult equally, which surname-names often manage better than traditional first names.
- Kylie, Kiely, Kyleigh and Kayley are all in circulation and she will be written as all of them.
- The name is closely tied to one decade in America, which will date her to anyone who knows the record.
- The Irish original is unrecoverable for most families, so the meaning comes with a shrug attached.
Nobody names a baby alone.
Put Kiley to the vote.
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What they receive
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Kiley
Feminine · #2778 in the U.S.
Frequently asked
- How many Kileys are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 19,000 people named Kiley are estimated to be alive in the US today.
- How do you spell Kiley?
- Kiley is the most-used spelling in US records — 61 of the 80 babies given the name in 2025. The others recorded are Kylei and Kyley.
- How popular is the name Kiley in 2025?
- Kiley ranks #2778 among US girl names in 2025, with 61 babies given the name.
- How rare is the name Kiley?
- About 1 in every 26,349 US girls born in 2025 was named Kiley — 61 in all.
- Will my child share the name Kiley with classmates?
- Kiley will almost certainly be the only one in school.
Ranked beside Kiley
Names sitting at a similar level of popularity right now.
Eugenia#2778 · Amour#2778 · Wynona#2778 · Joie#2778 · Bennie#2778 · Havyn#2778 · Wisdom#2778 · Aela#2778
Looking for what else is popular rather than what resembles Kiley? See the current top 100.
Choosing between Kiley and another name?
See them side by side — full stats, history and a gentle verdict.
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Which one would you pick?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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