Pure
Caitlen is a modern spelling variant of Caitlin, which is the Irish form of Catherine. The name ultimately derives from the Greek name Aikaterine, which has been associated with the word 'katharos' meaning pure.
Less common today
Caitlen isn't in the latest US Top 1000. It last peaked at #3,560 in 1998.
US births per 5-year period, 1990–present (SSA data).
