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Kaitlin

Girl name · Celtic · Irish

Meaningpure · English form of Caitlin

US rank
#4,067
Syllables
2
Peak
#93 in 1994

35 babies were named Kaitlin in the US in 2025. It has dropped 786 places in five years.

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US births per million girls, 1971–2025

01,0502,100197120002025

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Kaitlin you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Kaitlin Olson

Famous Kaitlin

Kaitlin Olson

American actress

Choose Kaitlin and your child shares a first name with Kaitlin Olson, an American actress. A ready-made answer when someone asks “Kaitlin, like who?” Kaitlin Olson's Wikipedia article is available in 32 languages, a good sign of just how widely known they are.

Read about Kaitlin Olson on Wikipedia (opens in a new tab)

Photo: Gage Skidmore, CC BY-SA 3.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 45,872 baby girls born in the US in 2025 was named Kaitlin, 35 babies in all. In a typical school of 500 kids, your Kaitlin would very likely be the only one.
  • HistoryKaitlin first shows up in US birth records in 1971, the first year at least 5 babies got it. It has been in use for 54 years since.
  • Best yearIt was far more popular in 1994, when it ranked #93. Today it's #4,067, so it could be due a comeback.
  • Then vs nowKaitlin was 54× more common in 2000 than it is today. In 2000 it was given to about 1 in 850 baby girls; in 2025, about 1 in 45,872.
  • TrendKaitlin has slipped 786 places over the last five years and now sits at #4,067. Good news if you want a familiar name that fewer kids will share.
  • MeaningKaitlin is an English form of Caitlin, which means “pure”. Our records link it to Celtic and Irish roots.

About the name Kaitlin

Kaitlin is a girl name of Celtic and Irish origin meaning “pure”. It has 7 letters and 2 syllables, starting with K and ending in “-lin”. US birth records list Kaitlin for girls from 1971 to 2025, in 54 of those 55 years. Its best year was 1994, when it ranked #93 among girl names. In 2025 it ranked #4,067, with 35 babies.

Origin:Celtic namesIrish names

Kaitlin for girls, by decade
DecadeBabies per millionAbout 1 in
1970s1283,721 girls
1980s7081,412 girls
1990s1,710585 girls
2000s6351,576 girls
2010s1178,568 girls
2020s2148,348 girls

Questions about the name Kaitlin

What does the name Kaitlin mean?

Kaitlin means “pure” in English, as a form of Caitlin.

What is the origin of the name Kaitlin?

Kaitlin has Celtic, Irish roots in our records. Other Celtic names include Evelyn, Isla, Riley.

Is Kaitlin a boy or girl name?

Kaitlin is a girl name.

How popular is the name Kaitlin?

Kaitlin ranked #4,067 for US girls in 2025, given to 35 babies. Its best year was 1994 (#93).