"pure"
Katlyn
Does Katlyn flow with your last name?
An American spelling of the beloved Irish classic
Reviewed by the NamingEverything Editorial Team · Updated
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Nicknames
Nicknames for Katlyn
4 shorthand options for every setting
Meaning & Origin
"linked to Hecate (goddess)"
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Browse nicknames →The Story of Katlyn
Katlyn is an American phonetic spelling of Caitlin, the Irish form of Catherine, which traces back through Latin Katharina to the Greek Aikaterine. The Greek name may derive from katharos (pure) or from the name of the goddess Hecate. Caitlin was the dominant Irish form for centuries, pronounced "KATH-leen" in Irish, but when the name entered American usage in the 1970s-80s, it was reinterpreted with the spelling Caitlin but pronounced "KATE-lin," spawning dozens of variant spellings including Katlyn.
The Caitlin/Kaitlyn/Katelyn family of names surged in American popularity during the 1980s-1990s, peaking in the late 1990s when Kaitlyn ranked in the US top 50. By the 2010s, the name began declining as parents sought fresher options. Katlyn represents one of the less common phonetic spellings within this large name family.
In Ireland, Caitlin remains a cherished traditional name with deep Gaelic roots. In America, the proliferation of spellings (over 50 documented variants) reflects American naming culture's emphasis on individuality and personalization. Each spelling family often develops its own distinct identity.
Historical Record
Katlyn first appeared in US Social Security records in 1979.
Over 18,421 babies have been named Katlyn in the United States since SSA records began.
Today, Katlyn is past its peak , currently ranked #5,604 for girl names in the US .
Fun Facts
- The Caitlin family of names has over 50 documented spelling variants in American birth records
- In Ireland, Caitlin is pronounced "KATH-leen" — quite differently from the American "KATE-lin" pronunciation
- Catherine/Caitlin has been among the most consistently used names in Western history for over 800 years
Katlyn in Other Languages
Popularity Over Time
Year-by-year popularity data will be available soon.
Famous People Named Katlyn
Caitlin Moran
Writer
1975
British journalist and author of How to Be a Woman, a feminist manifesto
Caitlin Clarke
Actor
1952
American actress known for her role in Dragonslayer (1981)
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See all →Quick Facts
- Gender
- Girl
- Syllables
- 2
- Popularity Rank
- #5,604
- Total SSA Count
- 23
- Cultural Origins
- Irish American English
- Pronunciation
- Easy
- Formality
- Moderate
- Cross-Cultural Ease
- High
Common Nicknames
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, smooth 2-1 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, English heritage match, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Katlyn
5 name pairings with syllable flow tips
Sibling Names
Sounds Like Katlyn
Phonetic neighbors that share Katlyn's rhythm, vowel shape, or consonant cluster. Tap any name to see its full "names like" list.
Sibling Match
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Also a Boy Name
Katlyn is also used as a boy name, ranked #36221.
View Katlyn as a boy name →Similar Names
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Same Origin Names (Irish)
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Frequently Asked Questions About Katlyn
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About the Name Katlyn
Katlyn is a girl name with Irish, American, and English origins . The name means "pure" in Greek via Irish .
Is Katlyn a boy or girl name? Katlyn is used as both a girl and boy name. As a girl name, it ranks #5,604 in popularity. As a boy name, it ranks #36,221. Katlyn is more commonly used as a girl name.
Katlyn is currently ranked #5,604 in popularity for girl names in the United States.
The name Katlyn has 2 syllables, making it easy to pronounce and remember.
Common nicknames for Katlyn include Kat, Katie, Kate, and Katy. These shorter forms provide casual alternatives while keeping the elegance of the full name.
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Baby Name Wizard
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Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis