Pure
Catilyn is a modern phonetic variant of Caitlin, which is the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, which is widely associated with the concept of purity.
Less common today
Catilyn isn't in the latest US Top 1000. It last peaked at #8,117 in 2002.
US births per 5-year period, 1990–present (SSA data).
