Slender or fair
Caelin is a modern phonetic spelling of the Irish name Caolán. It is derived from the Gaelic word 'caol', which translates to slender, narrow, or fine, often used to describe a graceful person.
About 5 boys were named Caelin in 2025.
American YouTuber and digital creator
US births per 5-year period, 1990–present (SSA data).
