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Kaithlyn
GirlMeaning of Kaithlyn: American: 'modern spelling variant of Caitlin'
Kaithlyn is a girl's name most strongly associated with American naming. It has 8 letters and 2 syllables, and it is a genuinely rare and unique choice — 12918th most popular girls' name in the United States in 2025.
US rank 2025
#12918
6 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
389
First recorded 1985 · peak 2003
Trend
stable
Style: rare
Popularity over time
Gender split
0% boys · 100% girls, based on US, UK and international usage.
Origins & cultures
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Other names starting with K
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Irish · 2 syllables
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English · 3 syllables
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Arabic & Persian · 3 syllables
US #955UK #143
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American · 2 syllables
US #209UK #1262