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Caitlin

Girl · Irish · Medium name

Meaning
Pure, each of the two
Pronunciation
KATE-lin
Origin
Irish

Irish form of Catherine, from Greek 'katharos' meaning pure.

Popularity
Uncommon in United States (2023)

Popularity: Behind the Name, 2023

ClassicVintageSoft and gentle

Languages in use: Irish, Greek

Commonly used in: United States, Ireland, United Kingdom

Alternate spellings

  • CaitlynEnglish

    Variant with a y.

Similar names

Matched on shared origin, language, or verified meaning themes. Spelling similarity alone is not treated as a linguistic relationship.

Eileen

EYE-leen

Girl · Irish

Meaning: Bright, shining light

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Finnan

FIN-an

Boy · Irish

Meaning: Fair, white; little fair one

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Keira

KEER-ah

Girl · Irish

Meaning: Dark, black-haired

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Eilis

AY-lish

Girl · Irish

Meaning: My God is an oath, God is my oath

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Kelly

KEL-ee

Gender-neutral · Irish

Meaning: Bright-headed, church, strife

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Sources for this record

Behind the Name, Irish Name Entries (2024). Last verified 2025-01-20.

How Lucky Stork verifies name data →