Given name

Kaitlyn

“one who is pure; virginal”

Kaitlyn is a variant of Katherine. In Greek use, Katherine carries the interpretation “one who is pure; virginal.”

Meaning & origin

What it means

Kaitlyn is a variant of Katherine. In Greek use, Katherine carries the interpretation “one who is pure; virginal.”

Explained through its name family

Where it comes from

In English use, Kaitlyn has a related form in Caitlín. An origin associated with Caitlín is Old French.

Explained through its name family

The story

Published U.S. birth records include this spelling as early as 1971. This is the earliest published observation available here, rather than a date for the name’s origin. Kaitlyn is a variant of Katherine. The history of Katherine gives this family its wider story. Katherine’s historical associations include Catherine de’ Medici, wife of King Henry II and regent.

Combines direct and name-family evidence

Kaitlyn through the years

Babies since 1880
166,921
232 boys · 166,689 girls
Most popular year
2000
8,771 babies
2025
340
#802 for girls
2021–25 vs 2016–20
−44%
Cooling
02,0004,0006,000198020002025Highest share 2000212
Kaitlyn in U.S. Social Security birth records, 1971–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inNew York, Texas, Florida
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: New York (31), Texas (38), Florida (20), California (31).

By the numbers

In 2025, this name appeared in 340 U.S. birth records for girls, ranking No. 802 among girls’ names. Average annual use for girls was 44.3% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 8,759 in 2000. In 2025, Texas had the largest reported state-level birth count for girls with this name (38). Published U.S. population figures for this spelling include 148,542 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Kaitlyn’s family of names

In English usage, Kaitlyn has a diminutive in KAIT. Kaitlyn has a related form in Katherine. In English usage, Kaitlyn has a related form in Caitlin.

Walk Kaitlyn’s family in the name graph

KaitlynKatherineCaitlinKaitlyneKaitKaittlynKaitllynCaitlínKathleenKatelynCathleenKatelinCatlynKätlin

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Across languages 6

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Kaitlyn, these share its style, era, origin or sound, from outside its own family.

Modern

Kinzie

“the king's victory” · “the victorious prince”

25RareEasing

>99% girls

Modern

Princessa

“a highborn daughter; born to royalty”

0Not recently recorded

>99% girls

Modern

Camryn

“crooked nose”

61FamiliarEasing

14% boys · 86% girls

Modern

Yaleena

“the shining light”

0Not recently recorded

>99% girls

Modern

Ashlyn

“ash” · “wood”

50UncommonCooling

>99% girls

Modern

Kaitin

0Not recently recorded

>99% girls

Modern

Devyn

“from the beautiful farmland; of the divine”

48UncommonEasing

24% boys · 76% girls

English · Modern

Kassidy

“a curly-haired man”

49UncommonCooling

3% boys · 97% girls

Sibling ideas

Names that share Kaitlyn’s feel without repeating its first letter or rhyming with it.

A brother for Kaitlyn

A sister for Kaitlyn