Slender or fair
Kellin is a modern variant of the Irish name Kellen or Caelan. It is derived from the Gaelic word 'caol', which translates to slender, narrow, or fine.
About 44 boys were named Kellin in 2025.
US births per 5-year period, 1990–present (SSA data).
Lead singer of the rock band Sleeping with Sirens
Professional baseball catcher
