Slender or fair
Kaelan is a modern anglicized form of the Irish name CaolΓ‘n. It is derived from the Gaelic word 'caol', meaning slender, combined with a diminutive suffix. While traditionally masculine in Ireland, it is used as a unisex name in the United States.
Less common today
Kaelan isn't in the latest US Top 1000. It last peaked at #1,321 in 1998.
Icelandic synth-punk band
Australian sprinter
US births per 5-year period, 1990βpresent (SSA data).