Pure or slender
Caylen is a modern invented name, likely a phonetic blend of the Irish name Caelan, meaning slender, and the Greek-derived Kay, meaning pure. It follows the popular trend of adding the '-len' suffix to established sounds.
Less common today
Caylen isn't in the latest US Top 1000. It last peaked at #3,792 in 2010.
US births per 5-year period, 1990βpresent (SSA data).