Pure
A modern American phonetic variation of Caitlin. It ultimately derives from the Greek name Aikaterine, though its exact etymology is debated, it is most commonly associated with the concept of purity.
Less common today
Kaytlynn isn't in the latest US Top 1000. It last peaked at #2,062 in 2001.
US births per 5-year period, 1990βpresent (SSA data).