Kaylynn
Feminine
Kaylynn is overwhelmingly a girls’ name — 12,252 girls against 5 boys since 1880.
Kaylynn joins Kay to the -lynn ending, and Kay itself is the initial of Katherine written out — a letter, a suffix, and no inherited word between them.
How old is the name Kaylynn?
Kaylynn first appears in US birth records in 1947 — 78 years ago. The typical Kaylynn alive today was born around 2007, making them about 18 years old. About 12,000 people named Kaylynn are estimated to be alive in the US today.
When was the name Kaylynn most popular?
Kaylynn peaked in 2009, reaching #512 nationally. Today it ranks #1570, 1,058 places below that high. See the whole 2009 chart.
Kaylynn appears on this list:
Where it comes from
From Kay to Kaylynn
The story of Kaylynn
Kay and Kayla rose in American naming through the twentieth century, and the -lynn ending had been attaching to fronts since the 1940s. Kaylynn is the meeting of the two, appearing in the American registers from the 1980s and rising through the 2000s alongside Kaylin, Kaelyn and Katelyn. It is in current use.
Meaningscholars disagree
Not established
The Kay- front may be the letter K written out, a short form of Katherine, or the Kay- of Kayla; Kayla's own origin is disputed between Kelila, 'crown' in Hebrew, and a coinage on Kay. The -lynn ending descends from Lynn, from the Welsh llyn, 'lake', or from Linda. Neither half resolves cleanly.
How the name formed
- Kay
- Kaylynn
Related forms: Kaylin · Kaelyn · Kaylyn
Pronouncing Kaylynn
KAY-lin
Two syllables, stress on the first. All the spellings of the sound are said identically.
Nicknames for Kaylynn
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
- 1947
- Most girls named
- 2009590 — the highest on record
- Peak rank
- #512reached in 2009
- Change vs 2024
- −4.3%134 in 2025, from 140
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.
Kaylynn in other languages
The same name elsewhere
- Kaylin in English — spelling variant
- Kaelyn in English — spelling variant
- Kaylyn in English — spelling variant
Strongest US states over the last decade: Texas, Ohio, California.
Kaylynns among us
people named Kaylynn are estimated to be alive in the US today
About 1 girl in 11,995 born in 2025 was named Kaylynn
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kaylynn
- #1570
- Kaylynn on the 2025 chart
- #447
- counting every spelling
The SSA counts spellings, not names. Kaylynn went to 134 girls in 2025, but Kaylin, Kailyn and Kailynn and the rest below are the same name said out loud. Together the 12 spellings went to 616, which makes it the 447th most-given girls’ name of the year — 1,123 places above the chart.
and 4 rarer spellings.
About 1 girl in 2,609 born in 2025 was given one of these spellings — against 1 in 11,995 for Kaylynn 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 Barbra test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kaylynn's later chapters haven't been written yet, so we borrowed them: Barbra climbed just as high around 1966, and its whole arc is on record. Line the two peaks up, and Barbra's path sketches the road Kaylynn is walking now.
Kaylynn 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 Kaylynn is headed
Kaylynn is easing off slowly — about 16% 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.
Kaylynn beside its neighbors
The names ranked closest to Kaylynn in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Kay and Lynn are two short forms, both with substantial records.
- Two clean syllables with no pronunciation risk.
- It belongs to a documented and highly productive naming pattern.
- Neither half has a settled meaning.
- At least four spellings of the sound are in common use.
- It will be respelled by other people constantly.
Nobody names a baby alone.
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What they receive
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Kaylynn
Feminine · #1570 in the U.S.
Frequently asked
- How many Kaylynns are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 12,000 people named Kaylynn are estimated to be alive in the US today.
- How do you spell Kaylynn?
- Kaylynn is the most-used spelling in US records — 134 of the 616 babies given the name in 2025. The others recorded are Kaylin, Kailyn, Kailynn, Kaylyn, Cailyn, Cailynn and Kailin.
- How popular is the name Kaylynn in 2025?
- Kaylynn ranks #1570 among US girl names in 2025, with 134 babies given the name.
- How rare is the name Kaylynn?
- About 1 in every 11,995 US girls born in 2025 was named Kaylynn — 134 in all.
- Will my child share the name Kaylynn with classmates?
- Kaylynn will almost certainly be the only one in school.
Ranked beside Kaylynn
Names sitting at a similar level of popularity right now.
Ester#1570 · Emberlee#1570 · Britney#1570 · Ziva#1570 · Angeline#1570 · Yitty#1570 · Kamilla#1570 · Vaeda#1570
Looking for what else is popular rather than what resembles Kaylynn? See the current top 100.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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