Kailyn means slender or fair — the AI-LYN variant of Kaylin, from the Irish Gaelic caol. The AI-interior and -lyn ending create maximum visual distinction. Same Irish-slender heritage, same flowing-meadow pastoral, AI-LYN calligraphy.
Kailyn is the AI-LYN variant of Kaylin from the Irish Gaelic meaning slender or fair. The AI-interior and -lyn ending create maximum visual distinction.
2
First recorded
Earliest known use: Modern AI-LYN variant.
3
Today
Kailyn remains a beloved choice, ranking #1132 in the US. 14,230 babies have been named Kailyn since 1981.
◈ Sources: Behind the Name, SSA data
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How popular is Kailyn?
2011peak year
The name Kailyn reached its peak in 2011, with 793 registrations (ranked #397). It first surfaced in U.S. records in 1981, roughly 30 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #1132) today, averaging about 248 new babies per year. Kailyn has been declining in recent years. Across all years on record, approximately 14,230 American babies have carried this name.
Year-by-year registrations1880–2024 · U.S. Social Security data
Kailyn's Life Path 3 is the communicator's number — slender-bright communication. People named Kailyn tend to be flowing, bright, and proud of their AI-LYN calligraphy.
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