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Kaylyn

#2,525 in 2025Girls' name

Combination of Kay and Lyn

Kaylyn has been given to 12,091 babies in the U.S. since 1949. In 2025 it ranked #2,525 of 17,293 girls’ names in use. Its peak year was 1997, with 462 recorded.

Babies named Kaylyn, 2025

1 in 47,400

Kaylyn over time, 1880–2025

GirlsBoys
020040060018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Kaylyn: meaning, origin, and history

Combination of Kay and Lyn

coinages

What Kaylyn means

Kaylyn is a compound of Kay and Lyn.

Origin, language, and formation

Kaylyn is used in English. Its origins include coinages.

Kaylyn is a modern formation.

Related names and everyday forms

Related names include Kay and Lyn.

American usage and historical context

In the United States, 12,053 girls were recorded with the name Kaylyn between 1949 and 2025. Its highest annual count was 462 in 1997; its best national rank was #519 in 1997.

Over 5 years its rank fell, from #2,389 in 2020 to #2,525 in 2025. Over 10 years its rank fell, from #1,272 in 2015 to #2,525 in 2025.

In the United States, 38 boys were recorded with the name Kaylyn between 1992 and 2022. Its highest annual count was 7 in 2004; its best national rank was #8,342 in 1995.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Kaylyn?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 47,400
70 of 3,315,165 births
Among girls only
1 in 23,000
<0.01% of girls
Rank, 2025
#2,525
of 17,293 girls’ names in use
Coin-flip room size
32,828 kids
Even odds of a second one

Where Kaylyn sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5001%

Put another way: gather 32,828 children born in 2025 and it's an even bet that one of them is another Kaylyn. In a class of 30 the chance is Under 1%.

When Kaylyns were born

Half of everyone ever recorded as Kaylyn was born before 2001 — so the typical Kaylyn is around 24 today.

Median birth year
2001
About 24 years old
Biggest decade
2000s
34.7% of all use
Born in the last 25 years
52.6%
A modern name
Recorded since 1950
12,048
People you could plausibly meet
Choose a decade

2000s — 34.7% of all recorded uses (4,178).

Is Kaylyn rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+345
Places climbed
Rank vs 5 years ago
−136
Places dropped
Rank vs 10 years ago
−1,253
Places dropped
Births vs 10 years ago
0.36×
Fewer babies than then
Share of its own peak
15.2%
Peak was 1997 (462)
Years since peak
28
Years
Year-to-year steadiness
Shifting
14.8% average annual change
Best rank ever
#519
1997

Spellings of Kaylyn

Kaylyn is not the most common spelling — Kayla is, with 25.1% against Kaylyn's 0.87%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Kaylyn is used

Across 2016–2025, Kaylyn was most concentrated in South Carolina — about 1 in 10,000 girls, against 1 in 22,407 across all states with data. It was least common in Minnesota (1 in 50,000).

210 per 100,000

Most concentrated

  1. 1South Carolina1 in 10,000
  2. 2Georgia1 in 14,286
  3. 3Missouri1 in 14,286
  4. 4North Carolina1 in 14,286
  5. 5Alabama1 in 16,667
  6. 6Florida1 in 16,667
  7. 7Pennsylvania1 in 16,667
  8. 8Arkansas1 in 20,000

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Kaylyn around the world

Where Kaylyn ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2015
    #5,730
    in 2015
  • Scotland
    2003–2008
    #572
    in 2008
  • Ireland
    2003–2007
    #842
    in 2007
  • Canada
    1991–2022
    #2,896
    in 2022
  • South Australia
    1947–2011
    #840
    in 2011

Popularity data from Office for National Statistics, National Records of Scotland, Central Statistics Office, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. StatCan data under Statistics Canada Open Licence.

Kaylyn by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#2,525
Trend vs 5 yrs ago
Down 136
Best rank ever
#519
1997
Peak year
1997
462 that year
First recorded
1949
Last recorded
2025
All-time count
12,053
Count in 2025
70

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#8,342
1995
Peak year
2004
7 that year
First recorded
1992
Last recorded
2022
All-time count
38
Count in 2025
Under 5

Names similar to Kaylyn

Matched on shared beginnings and endings, similar length, and comparable popularity.

KaytlynKayceeKayleyKaydenKaylinKaylenKaylieKaylahKaylaniKaylynnKaylanKayleenKayliJoslynKayleaJaelynKailynEvalynKaelynRaelynKaycieKayeKaydeeKaylene

Names with a curve like Kaylyn

Not spelling — timing. These names rose, peaked and faded in the same years as Kaylyn, so they read as being from the same moment even when they look nothing alike.

KaleighKarliCarlieTiannaKaleyMarielaCarleyKierstenKarleyKarlieElyssaSavanah

Sibling names for Kaylyn

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Kaylyn

Top names of 1997, Kaylyn's peak yearThe 1990s in fullOther names that peaked in 1997Girls' names starting with K