Kaily
Feminine
Kaily is the shortest of the Kayleigh spellings, and the family it belongs to is unusual for having no original — the sound came first.
How old is the name Kaily?
Kaily first appears in US birth records in 1983 — 42 years ago. The typical Kaily alive today was born around 2008, making them about 17 years old. About 2,500 people named Kaily are estimated to be alive in the US today.
When was the name Kaily most popular?
Kaily peaked in 2010, reaching #1678 nationally. Today it ranks #4067, 2,389 places below that high. See the whole 2010 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
Our story of Kaily
Ours, offered as ours. Kaily is what happens when a name has been in circulation for forty years and families keep trimming: Kayleigh became Kaleigh, then Kaylee, then Kaily — six letters carrying two syllables, which is about as efficient as English gets. It is also used in Latin American naming as a Spanish-phonetic spelling of the same sound, which arrived by a completely different route to the same six letters.
Meaningnot established
Not established
No source is established. The Kayleigh sound entered English naming after a 1985 song; Irish Ó Caollaidhe, on caol, narrow, and an assembly of Kay and Leigh are both proposed. The Spanish-language Kaily is a separate phonetic respelling.
Pronouncing Kaily
KAY-lee
Two syllables, first stressed. Every spelling of the sound is said the same.
Nicknames for Kaily
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 girls named
- 2010126 — the highest on record
- Peak rank
- #1678reached in 2010
- Change vs 2024
- −32.7%35 in 2025, from 52
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.
Kaily in other languages
The same name elsewhere
- Kaylee in English — spelling variant
- Kaily in Spanish — same name
- Kayleigh in English — spelling variant
Strongest US states over the last decade: California, Texas, Florida.
Kailys among us
people named Kaily are estimated to be alive in the US today
About 1 girl in 45,922 born in 2025 was named Kaily
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kaily
- #4067
- Kaily on the 2025 chart
- #858
- counting every spelling
The SSA counts spellings, not names. Kaily went to 35 girls in 2025, but Kayli, Kaili and Cayli are the same name said out loud. Together the 4 spellings went to 102, which makes it the 858th most-given girls’ name of the year — 3,209 places above the chart.
About 1 girl in 15,758 born in 2025 was given one of these spellings — against 1 in 45,922 for Kaily 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 Lynnea test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kaily's later chapters haven't been written yet, so we borrowed them: Lynnea climbed just as high around 1946, and its whole arc is on record. Line the two peaks up, and Lynnea's path sketches the road Kaily is walking now.
Kaily 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 Kaily is headed
Kaily 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.
Kaily beside its neighbors
The names ranked closest to Kaily in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Kay is a complete short form with its own American history.
- Five letters and two syllables, quick to write.
- Read correctly on sight by every English speaker.
- There are at least eight live spellings of this sound and she will recite hers.
- Kaylee and Kayleigh are both far more common.
- There is no settled meaning for any spelling.
Nobody names a baby alone.
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What they receive
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Kaily
Feminine · #4067 in the U.S.
Frequently asked
- How many Kailys are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 2,500 people named Kaily are estimated to be alive in the US today.
- How do you spell Kaily?
- Kaily is one of 4 recorded spellings. Kayli is the more common one — 43 births in 2025 against 35 for Kaily.
- How popular is the name Kaily in 2025?
- Kaily ranks #4067 among US girl names in 2025, with 35 babies given the name.
- How rare is the name Kaily?
- About 1 in every 45,922 US girls born in 2025 was named Kaily — 35 in all.
- Will my child share the name Kaily with classmates?
- Kaily will almost certainly be the only one in school.
Ranked beside Kaily
Names sitting at a similar level of popularity right now.
Eli#4067 · Peace#4067 · Medina#4067 · Darlin#4067 · Anja#4067 · Sparrow#4067 · Liani#4067 · Salina#4067
Looking for what else is popular rather than what resembles Kaily? See the current top 100.
Choosing between Kaily and another name?
See them side by side — full stats, history and a gentle verdict.
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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
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