Cailyn
2 syllables
♀ Female ◎ Greek / Irish ◈ 2 syllables
"Pure"

From Greek / Irish

Cailyn is a modern American spelling variant of Caitlyn, ultimately from Katherine — the Greek Katharos meaning pure — by way of the Irish Caitlín. Read more about the origin of this name below ↓

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Cailyn at a glance
MeaningPure
OriginGreek / Irish
GenderFemale
Syllables2
NumerologyLife Path 1
US Rank (today)#2496
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Origin & history of Cailyn
1
Greek / Irish roots
Cailyn is a modern American spelling variant of Caitlyn, ultimately from Katherine — the Greek Katharos meaning pure — by way of the Irish Caitlín. The Cailyn spelling emerged in the 2000s alongside the broader American trend of crafting fresh feminine variants with simple, sleek spellings. Cailyn peaked in 2009 within the broader Caitlin / Katelyn / Kaitlyn naming family that flourished in this era.
2
Root name
The root form of Cailyn is Caitlyn (Caitlín) — meaning Pure.
3
Modern usage
Cailyn remains a beloved choice. Timeless appeal across cultures and generations.
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How popular is Cailyn?
2009 peak year
Today, Cailyn is a less common but recognizable name in U.S. records (ranked #2,496) with about 81 babies named Cailyn each year. At its height in 2009, Cailyn reached #723 nationally — 401 babies received it that single year. Its strongest stretch was the 2000s. Cailyn's usage has fallen in recent decades. In all, around 5,509 babies have been registered as Cailyn since 1880.
Year-by-year registrations 1880–2024 · U.S. Social Security data
401 Babies named in peak year
(ranked #723)
81 Avg. per year
(last decade)
810 Total registrations
last 10 years
5,509 All-time total
(since 1880)
Popularity in the US today (rank #2,496) Moderate
↓ Declining in recent years
📊 Check all names registered in the United States →
Numerology of Cailyn
1
Life path number
The Leader
Leadership, independence and pioneering spirit.
🌟Natural leader
Independent
🔥Ambitious
💎Original thinker
C3
A1
I9
L3
Y7
N5
Sum: 28 → Life path 1
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Personality of Cailyn
🌟
Independent & bold
These individuals chart their own course. They lead, they don't follow.
Ambitious drive
Quiet determination sits behind everything they do.
💡
Original ideas
Their minds work differently — seeing angles others walk past.
🔑
Natural authority
Without trying, they earn respect.
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Names that sound like Cailyn

If you love Cailyn, you might love these names with a similar sound, rhythm or feel.

Names that combine with Cailyn

Sibling pairings that share the timeless, classic energy of Cailyn.

Middle names for Cailyn

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Numerology life path calculator

Enter any full name and date of birth to discover the life path number — a core numerological indicator of personality, purpose and destiny.

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7
Life path number

How we calculated this
Cailyn is a beautiful choice.
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