Katelynn

#2,736 in 2025Girls' name

Associated with pure; deeper origin uncertain

Katelynn has been given to 30,691 babies in the U.S. since 1979. In 2025 it ranked #2,736 of 17,293 girls’ names in use. Its peak year was 1998, with 1,457 recorded.

Babies named Katelynn, 2025

1 in 52,600

Katelynn over time, 1880–2025

GirlsBoys
05001K1.5K18801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Katelynn: meaning, origin, and history

Associated with pure; deeper origin uncertain

Modern English form of the Katherine family

About Katelynn

Katelynn is a modern English spelling in the Caitlin and Katherine family. It shares the traditional association with “pure,” although Katherine's deeper origin is disputed. The spelling joins a familiar Kate-like beginning to a double-n ending, and basketball player Katelynn Flaherty provides a notable bearer of the exact form.

From Katherine to Caitlin

Katelynn is a variant of Caitlin, the anglicized form of Irish Caitlín. That Irish name belongs to the wider Catherine and Katherine family, which developed from Greek Aikaterine.

The ancient name's original meaning remains uncertain. Its connection with Greek katharos, “pure,” arose in the early Christian period and helped shape later spellings such as Latin Katharina. The familiar meaning is therefore a longstanding association rather than a securely established translation of the earliest form.

Katherine became widely used in medieval Europe, helped by devotion to the saint associated with Alexandria. Her story belongs partly to legend, but the name's influence on European naming is substantial.

Katelyn, Kaitlyn, Kaitlynn, Caitlyn, and Katelin are close modern relatives. Their differing arrangements of vowels and consonants often represent the same usual English pronunciation, rather than separate ancient meanings.

Pronunciation and shorter forms

Katelynn is pronounced KAYT-lin, with two syllables and emphasis on the first. The middle e does not normally create a separate syllable, and the final double n does not lengthen the ending.

Kate and Katie are established short forms in the wider Katherine family and can also work as everyday forms of Katelynn. Kat offers another compact option. The full name already has the quick rhythm of a two-syllable name, despite its eight-letter spelling.

Katelynn Flaherty and basketball

Katelynn Flaherty played basketball for the University of Michigan from 2014 to 2018. She completed her college career with 2,776 points, becoming Michigan's all-time leading scorer across its men's and women's programs at that time.

Her accomplishments included 410 made three-pointers and three consecutive consensus first-team All-Big Ten selections, in the 2015–16, 2016–17, and 2017–18 seasons.

Flaherty was named the 2017 Women's National Invitation Tournament's most valuable player. As a senior, she started all 33 games and averaged 22.9 points per game, placing her among the leading scorers in the country that season.

She also won the 2018 college three-point championship. Those results give Katelynn a specific sporting connection through shooting, sustained scoring, and tournament achievement.

American popularity

Katelynn's largest published annual count and strongest United States ranking for girls came in 1998, with 1,457 births at #210.

The name remained close to that level in 2000, when 1,388 girls received it. There were 1,028 in 2010, followed by a much smaller count of 63 in 2025, ranking #2,736.

That pattern places the spelling's American high in the late 1990s and 2000s. These figures describe Katelynn separately from Katelyn and the other related spellings.

Sources & methodologyReferences, data & attribution

Meaning, history, and cultural connections draw on the references below. Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. American figures use the local Social Security Administration exact-spelling series; counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Katelynn?

In 2025, Katelynn ranked #2,736 among girls in the United States, with 63 recorded uses. The U.S. birth records first list this spelling for girls in 1979; its largest annual count was 1,457 in 1998. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Katelynn?

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

Among all babies, 2025
1 in 52,600
63 of 3,315,165 births
Among girls only
1 in 25,500
<0.01% of girls
Rank, 2025
#2,736
of 17,293 girls’ names in use
Coin-flip room size
36,476 kids
Even odds of a second one

Where Katelynn 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 500Under 1%

Put another way: gather 36,476 children born in 2025 and it's an even bet that one of them is another Katelynn. In a class of 30 the chance is Under 1%.

When Katelynns were born

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

Median birth year
2001
About 24 years old
Biggest decade
2000s
39.8% of all use
Born in the last 25 years
53.3%
A modern name
Recorded since 1950
30,680
People you could plausibly meet
Choose a decade

2000s — 39.8% of all recorded uses (12,199).

Is Katelynn 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
−442
Places dropped
Rank vs 5 years ago
−1,264
Places dropped
Rank vs 10 years ago
−2,084
Places dropped
Births vs 10 years ago
0.14×
Fewer babies than then
Share of its own peak
4.3%
Peak was 1998 (1,457)
Years since peak
27
Years
Year-to-year steadiness
Shifting
14.7% average annual change
Best rank ever
#210
1998

Spellings of Katelynn

Katelynn is not the most common spelling — Katelyn is, with 37.1% against Katelynn's 8.5%.

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 Katelynn is used

Across 2016–2025, Katelynn was most concentrated in Mississippi — about 1 in 3,333 girls, against 1 in 13,960 across all states with data. It was least common in Virginia (1 in 50,000).

230 per 100,000

Most concentrated

  1. 1Mississippi1 in 3,333
  2. 2Oklahoma1 in 7,692
  3. 3Texas1 in 7,692
  4. 4Georgia1 in 10,000
  5. 5Indiana1 in 12,500
  6. 6North Carolina1 in 12,500
  7. 7South Carolina1 in 12,500
  8. 8Alabama1 in 14,286

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.

Katelynn around the world

Where Katelynn 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
    1996–2023
    #4,710
    in 2023
  • Scotland
    1996–2011
    #674
    in 2011
  • Northern Ireland
    2006–2013
    #440
    in 2013
  • Ireland
    1990–2023
    #856
    in 2023
  • France
    2011–2011
    #7,260
    in 2011
  • Canada
    1991–2024
    #2,463
    in 2024
  • South Australia
    1991–2011
    #840
    in 2011

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Katelynn in other languages

Cross-language forms and variants of Katelynn. Linked forms have their own page here.

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Katelynn by the numbers

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

As a girl's name

Rank in 2025
#2,736
Trend vs 5 yrs ago
Down 1,264
Best rank ever
#210
1998
Peak year
1998
1,457 that year
First recorded
1979
Last recorded
2025
All-time count
30,680
Count in 2025
63

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#7,441
1989
Peak year
1989
6 that year
First recorded
1989
Last recorded
1999
All-time count
11
Count in 2025
Under 5

Names similar to Katelynn

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

Names with a curve like Katelynn

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

Sibling names for Katelynn

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 Katelynn