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Why parents love Caitlin- Caitlín is the original Irish form of Katherine.
- The most authentically Gaelic spelling.
- Three syllables with a strong, Irish sound: KAYT-lin.
- The meaning pure carries Greek-through-Irish depth.
- Kate is embedded with Gaelic authority.
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The vibe of Caitlin
pureIrish GaelicKatherinekatharosauthenticGaelictraditionalCelticcenturies
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Origin & history of Caitlin
Greek katharos (pure)
→ Katherine
→ Irish Gaelic Caitlín
→ Caitlin
1
Hebrew / Irish roots
Caitlin is the original Irish Gaelic form of Katherine meaning pure. Caitlín is how Ireland has said Katherine for centuries — the most authentically Gaelic spelling.
2
First recorded
Earliest known use: Irish Gaelic form of Katherine.
3
Today
Caitlin remains a beloved choice, ranking #1620 in the US. 112,351 babies have been named Caitlin since 1955.
◈ Sources: Behind the Name, Oxford Dictionary of First Names, SSA data
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How popular is Caitlin?
1988
peak year
Caitlin found its strongest footing in the 1980s, peaking at #44 nationally. In 1988, 7,246 babies were named Caitlin (ranked #44 nationally). In the present decade it sits well outside the top 1,000 (around #1620), with about 165 babies given the name annually. Caitlin has been declining in recent years. The all-time total comes to roughly 112,351 registrations.
Year-by-year registrations
1880–2024 · U.S. Social Security data
7,246
Babies named in peak year
(ranked #44)
(ranked #44)
165
Avg. per year
(last decade)
(last decade)
1,650
Total registrations
last 10 years
last 10 years
112,351
All-time total
(since 1880)
(since 1880)
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Numerology of Caitlin5
Life path number
The Adventurer
Freedom, adventure and curiosity.
Caitlin's Life Path 1 is the leader's number — Irish-pure leadership. People named Caitlin tend to be strong, authentic, and gifted at being the most Gaelic form of purity.
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Most Gaelic purity✦
Irish-centuries◈
Katherine-authentic◎
Celtic-strong♡
Kate-GaelicC3
A1
I9
T2
L3
I9
N5
Sum: 32 → Life path 5
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Personality of Caitlin🌍
Free spirit
Adventure calls and they always answer.
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Electric energy
Things happen around them — exciting, unexpected.
🦋
Adaptable
New situations are opportunities, never threats.
💬
Natural charmer
There's something magnetic about them.
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Famous people named CaitlinClick any name to view their Wikipedia page.
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If you like Caitlin, you may also love◎
Names that sound like CaitlinIf you love Caitlin, you might love these names with a similar sound, rhythm or feel.
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Names that combine with CaitlinSibling pairings that share the timeless, classic energy of Caitlin.
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Middle names for CaitlinThe right middle name turns Caitlin into a complete story. Explore options for first-and-middle pairings, then last-name flow.
Want a personalised middle name for Caitlin? Try our dedicated generator with 1,000+ pairings.
♡ Generate middle name for Caitlin →✦
Numerology life path calculatorEnter any full name and date of birth to discover the life path number — a core numerological indicator of personality, purpose and destiny.
First name
Middle name (optional)
Last name
Date of birth
7
Life path number
How we calculated this
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