Pure
Caylin is a modern phonetic variant of Caitlin, which is the Irish form of Katherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the concept of purity.
Less common today
Caylin isn't in the latest US Top 1000. It last peaked at #1,336 in 1996.
US births per 5-year period, 1990–present (SSA data).
