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Kailen

Boy name · 11 babies recorded · 1974–2025

Kailen: 11 babies born in Scotland since 1974, given to boys, peaking at 5 births in 2019.

Of Irish and Gaelic origin, Kailen is a modern variant of Caelan, meaning "slender" or "powerful warrior." The name has grown in popularity across Scotland and Ireland, often chosen for its melodic sound and unisex appeal. While no major historical figures bear the name directly, it shares roots with the legendary Cú Chulainn, a warrior from Irish mythology whose name contains the same "cú" (hound/warrior) element. Place-name connections are indirect, though the Irish county of Kildare (Cill Dara) echoes the same ancient language. Kailen can also be spelled Kaylen or Kaelyn, offering parents flexibility while maintaining its gentle, modern feel.

Boy 3 of 52 years

Peak year
20195 babies
Latest (2021)
#7203 babies
Total births
11since 2016
5-year trend
≈ stablevs prior 5y
1980 1990 2000 2010 2020 2019 · 5
Births per year in Scotland. Missing years had a count of 2 or fewer (suppressed by NRS).