"pure, clear"
Origin: Greek via Irish
Language: English
Cailynn
Does Cailynn flow with your last name?
A modern twist on a timeless Irish classic
American
Irish American
Modern
Gentle
Classic
Playful
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Meaning & Origin
"lake, waterfall"
Origin: Welsh (lynn suffix)
Language: Welsh
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The Story of Cailynn
Cailynn is a modern spelling variant of Caitlin, the Irish form of Catherine, which derives from the Greek Aikaterine. Catherines meaning has been variously linked to the Greek katharos (pure) and Hecate (goddess). The -lynn suffix, meaning lake or waterfall in Welsh, was added to modernize the traditional Caitlin, creating a fresh blend of Celtic heritage and contemporary American naming trends.
Cailynn emerged in the late 1990s and 2000s as parents sought fresh takes on the popular Caitlin/Katelyn family of names. Creative spellings allowed parents to put a unique stamp on a beloved classic while maintaining familiar pronunciation.
The Caitlin name family has deep roots in Irish culture, where it was a vernacular form of Catherine used for centuries. Cailynn modernizes this heritage while keeping the melodic Celtic sound.
Historical Record
Cailynn first appeared in US Social Security records in 1990.
Over 1,166 babies have been named Cailynn in the United States since SSA records began.
Today, Cailynn is a hidden gem — rare but distinctive , currently ranked #5,150 for girl names in the US .
Fun Facts
- Cailynn belongs to the Caitlin family, one of Ireland's most beloved name traditions
- The -lynn ending connects this name to the Welsh word for lake or waterfall
Cailynn in Other Languages
Irish
Caitlín
French
Kateline
German
Katharina
Italian
Caterina
Spanish
Catalina
Popularity Over Time
#5,150
Current Rank
Stable
Trend
Hidden Gem
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Cailynn
C
Caitlin Clark
Athlete
2002
Record-breaking American basketball player who transformed women's college basketball
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Compare Cailynn with:
Quick Facts
- Gender
- Girl
- Syllables
- 2
- Popularity Rank
- #5,150
- Total SSA Count
- 26
- Cultural Origins
- American Irish American
- Pronunciation
- Easy
- Formality
- Moderate
- Cross-Cultural Ease
- Moderate
Alternative Spellings
Common Nicknames
Cai
Kay
Caillie
Lynn
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
-
Timeless choice, smooth 2-2 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Cailynn
6 name pairings with syllable flow tips
Sibling Names
Sounds Like Cailynn
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Sibling Match
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Germanic via Alicia origin
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Xayla
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American English origin
"variant of Kayla, meaning 'keeper of ..."
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Frequently Asked Questions About Cailynn
What does the name Cailynn mean?
"pure, clear" (from Greek via Irish). "lake, waterfall" (from Welsh (lynn suffix)). Cailynn is a modern spelling variant of Caitlin, the Irish form of Catherine, which derives from the Greek Aikaterine. Catherines meaning has been variously linked to the Greek katharos (pure) and Hecate (goddess). The -lynn suffix, meaning lake or waterfall in Welsh, was added to modernize the traditional Caitlin, creating a fresh blend of Celtic heritage and contemporary American naming trends.
What is the origin of the name Cailynn?
Cailynn has Greek via Irish, Welsh (lynn suffix), American, and Irish American origins. In Greek via Irish, it means "pure, clear". In Welsh (lynn suffix), it means "lake, waterfall".
Is Cailynn a boy or girl name?
Cailynn is primarily used as a girl name.
How popular is the name Cailynn?
Cailynn is currently ranked #5150 in popularity for girl names in the United States.
What are common nicknames for Cailynn?
Common nicknames for Cailynn include Cai, Kay, Caillie, and Lynn.
What are good middle names for Cailynn?
Popular middle name pairings include Cailynn Rose, Cailynn Marie, Cailynn Grace, Cailynn Anne, Cailynn Elizabeth, and Cailynn Brooke.
What are good sibling names for Cailynn?
Names that pair well with Cailynn as siblings include Aiden, Liam, Brynn, Maeve, Sienna, and Declan.
How many syllables does Cailynn have?
Cailynn has 2 syllables, making it easy to say and remember.
Is Cailynn a common or rare name?
Cailynn is an uncommon name, ranked #5150 in the US. Its rarity gives it a distinctive, memorable quality.
What girl names are similar to Cailynn?
About the Name Cailynn
Cailynn is a girl name with American and Irish American origins . The name means "pure, clear" in Greek via Irish .
Cailynn is currently ranked #5,150 in popularity for girl names in the United States.
The name Cailynn has 2 syllables, making it easy to pronounce and remember.
Common nicknames for Cailynn include Cai, Kay, Caillie, and Lynn. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Cailynn include Cailyn, Cailee . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.
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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