Kylynn
Feminine
Kylynn is given to both — 1,331 girls and 87 boys since 1880. See other names given to both
Kylynn joins Ky — a clip with a Scottish word behind it — to the -lynn ending that American naming has been attaching to women's names for a century.
How old is the name Kylynn?
Kylynn first appears in US birth records in 1986 — 39 years ago. The typical Kylynn is a kid of about 12 — this name's wave is very recent. About 1,300 people named Kylynn are estimated to be alive in the US today.
When was the name Kylynn most popular?
Kylynn peaked in 2015, reaching #2382 nationally. Today it ranks #3903, 1,521 places below that high. See the whole 2015 chart.
Where it comes from
Origin, sound and short forms
Our story of Kylynn
Ours, offered as ours. Both halves of this name were once water. Caol is the Gaelic for narrow and names the straits of western Scotland — the Kyle of Lochalsh, the Kyles of Bute. Llyn is the Welsh for a lake and gives Lynn its surname. Joined in an American women's name, they are two Celtic water words that have entirely lost their sense and kept their sound, which is what usually happens.
Meaningnot established
Not established
No source is established for the compound. Ky clips Kyle, from Scottish Gaelic caol, narrow, used for straits. Lynn is from Welsh llyn, a lake, by way of a surname. Both halves have real words behind them and the join is modern American.
Pronouncing Kylynn
KY-lin
Two syllables, first stressed. Some families say ky-LIN.
Nicknames for Kylynn
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
- 1986
- Most girls named
- 201577 — the highest on record
- Peak rank
- #2382reached in 2015
- Change vs 2024
- −15.9%37 in 2025, from 44
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.
Kylynn in other languages
The same name elsewhere
- Caol in Scottish Gaelic — related form
- Llyn in Welsh — related form
Strongest US states over the last decade: Texas, Ohio, North Carolina.
Kylynns among us
people named Kylynn are estimated to be alive in the US today
About 1 girl in 43,440 born in 2025 was named Kylynn
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kylynn
- #3903
- Kylynn on the 2025 chart
- #857
- counting every spelling
The SSA counts spellings, not names. Kylynn went to 37 girls in 2025, but Kylin, Khylynn and Kylinn and the rest below are the same name said out loud. Together the 7 spellings went to 103, which makes it the 857th most-given girls’ name of the year — 3,046 places above the chart.
- Kylynn37
- Kylin32
- Khylynn8
- Kylinn8
- Khilynn7
- Kylyn6
- Kilyn5
About 1 girl in 15,605 born in 2025 was given one of these spellings — against 1 in 43,440 for Kylynn 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 Sully test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kylynn's later chapters haven't been written yet, so we borrowed them: Sully climbed just as high around 1984, and its whole arc is on record. Line the two peaks up, and Sully's path sketches the road Kylynn is walking now.
Kylynn 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 Kylynn is headed
Kylynn 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.
Kylynn beside its neighbors
The names ranked closest to Kylynn in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Ky and Lynn are both complete short forms in their own right.
- Read correctly on sight by most English speakers.
- Two real Celtic words stand behind the halves.
- Kylynn, Kylin and Kaylynn are all in use and none is dominant.
- The stress is unsettled between the first and second syllables.
- There is no documented meaning for the compound.
Nobody names a baby alone.
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What they receive
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Kylynn
Feminine · #3903 in the U.S.
Frequently asked
- How many Kylynns are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,300 people named Kylynn are estimated to be alive in the US today.
- How do you spell Kylynn?
- Kylynn is the most-used spelling in US records — 37 of the 103 babies given the name in 2025. The others recorded are Kylin, Khylynn, Kylinn, Khilynn, Kylyn and Kilyn.
- How popular is the name Kylynn in 2025?
- Kylynn ranks #3903 among US girl names in 2025, with 37 babies given the name.
- How rare is the name Kylynn?
- About 1 in every 43,440 US girls born in 2025 was named Kylynn — 37 in all.
- Will my child share the name Kylynn with classmates?
- Kylynn will almost certainly be the only one in school.
Ranked beside Kylynn
Names sitting at a similar level of popularity right now.
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Looking for what else is popular rather than what resembles Kylynn? See the current top 100.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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