Pure
Kathelyn is a modern American spelling variant of Caitlin or Katherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the Greek word 'katharos', meaning pure.
Less common today
Kathelyn isn't in the latest US Top 1000. It last peaked at #5,264 in 1990.
US births per 5-year period, 1990–present (SSA data).
