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Keitlyn
Pronounced KAYT-lin /ˈkeɪt.lɪn/High
Meaning: A spelling of Caitlyn — an Irish form of Katherine, from the Greek katharos, 'pure; clean'Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Keitlyn is a spelling of Caitlyn — an Irish form of Katherine, from the Greek katharos, 'pure; clean'. A crisp, modern name (said 'KAYT-lin').
In the U.S. it appears as a spelling of Caitlyn. Rare in this form, pure at the root, and modern.
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Frequently Asked
What does the name Keitlyn mean?
Keitlyn spells Caitlyn — an Irish form of Katherine, Greek 'pure'.
How do you pronounce Keitlyn?
It's said KAYT-lin /ˈkeɪt.lɪn/ — two syllables, stress on the first.
Is Keitlyn a boy or girl name?
Keitlyn is a girl's name.
How popular is Keitlyn?
Keitlyn is a very rare spelling in the U.S.













