Cailyn
Origin
Irish
Syllables
2
Peak era
1990s/2020s
Today
▬ Steady
Meaning
modern coinage, blend of Caitlin and Kaylin
Popularity, 1890–2024
1890speak 1990s
Shape drawn from US Social Security baby-name records. Cailyn peaked in the 1990s and the 2020s in nearly equal measure.
When you meet Cailyn
Most people given the name Cailyn in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Cailyn deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Cailyn truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Cailyn fits with your family’s names and surname.
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