Pure
Cailyn is a modern Americanized spelling of the Irish name Caitlin, which itself 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
Cailyn isn't in the latest US Top 1000. It last peaked at #726 in 2009.
American professional soccer player
US births per 5-year period, 1990–present (SSA data).
