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Kaetlyn

Feminine · “a form of Caitlin”

1985high 1997
Rare todaygiven to only a few children a year
rare

Kaetlyn is one of the many spellings of Caitlin, written with the ae of Latin names and the -lyn of Carolyn. It is two syllables, bright and familiar.

How old is the name Kaetlyn?

Kaetlyn first appears in US birth records in 1985 — 40 years ago. The typical Kaetlyn alive today was born around 2000, making them about 25 years old. About 500 people named Kaetlyn are estimated to be alive in the US today.

When was the name Kaetlyn most popular?

Kaetlyn peaked in 1997, reaching #2328 nationally. See the whole 1997 chart.

I

Where it comes from

The story of Kaetlyn

Caitlin came to American parents from Irish and was spelled in more ways than almost any other name of its time. Kaetlyn uses the ae of Michael and Rachael for its first vowel, which gives it a slightly classical look. No record explains the choice, and beyond it the name has Caitlin's history.

Meaningscholars disagree

a form of Caitlin, from Catherine

Caitlin is the Irish form of Catherine, whose meaning is argued. Kaetlyn is a spelling of it.

How the name formed

  1. Catherine
  2. Caitlín
  3. Kaetlyn

Related forms: Caitlín

Pronouncing Kaetlyn

KAYT-lin

Two syllables, stressed on the first.

Nicknames for Kaetlyn

Moderate

KateThe classic short form
KaeA short form from the front
II

What the data says

The long climb, and where it stands now

GIRLS NAMED · 1985–20255729057519852019

US babies named Kaetlyn per year from 1985 to 2025
AVERAGE RANK BY DECADE#1#10#100#1000#23281980s2010s

The same years in position rather than babies

First recorded
1985
Most girls named
199757 — the highest on record
Peak rank
#2328reached in 1997
Change vs 2015
−37.5%5 in 2019, from 8
Kaetlyn sits in the rare tail. Its best year on record was 1997, with 57 girls. Today it is given to few enough children that it does not enter the ranked charts at all.

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.

Kaetlyn in other languages

The same name elsewhere

  • Caitlín in Irish — related form

Kaetlyns among us

500

people named Kaetlyn are estimated to be alive in the US today

Estimated from SSA birth records and published actuarial life tables. Method

III

Is it right for you

Fashion outlook

Kaetlyn sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.

Based on 146 years of naming cycles. How we read them

The trade-off

Practical strengths
  • It sounds like a familiar name.
  • Kate is a ready short form.
What to consider
  • People will write Caitlin or Kaitlyn.
  • It is one of many spellings of one sound.

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Kaetlyn

Feminine

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Frequently asked

How many Kaetlyns are there in the world?
No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 500 people named Kaetlyn are estimated to be alive in the US today.
How popular is the name Kaetlyn in 2025?
Kaetlyn is rarely given in the US today — it does not rank in the top 2000 girl names.
Will my child share the name Kaetlyn with classmates?
Kaetlyn will almost certainly be the only one in school.

More K names

The most-given names starting with K, all years combined.

Karen#1279 · Kimberly#302 · Kathleen#1150 · Katherine#186 · Kelly#851 · Kathryn#729 · Kayla#364 · Kathy#3249

Looking for what else is popular rather than what resembles Kaetlyn? See the current top 100.

Choosing between Kaetlyn and another name?

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US figures from the Social Security Administration. 1880–2025. Data & methodology

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