Slender or keeper of the keys
Kailan is a modern name with multiple possible roots. It is often considered a variant of the Gaelic name Caelan, meaning slender, or a combination of the names Kai and Lan. In some contexts, it is associated with the Greek name Katherine, meaning pure, or the English name Kay, meaning keeper of the keys.
About 28 boys were named Kailan in 2025.
Professional soccer player
US births per 5-year period, 1990–present (SSA data).