Pure
A modern American phonetic variant of Caitlin, which is the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the concept of purity.
Less common today
Katlyne isn't in the latest US Top 1000. It last peaked at #4,089 in 1995.
US births per 5-year period, 1990–present (SSA data).
