Pure
Kaytie is a modern phonetic spelling of Katie, which originated as a diminutive of Katherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the Greek word 'katharos', meaning pure.
Less common today
Kaytie isn't in the latest US Top 1000. It last peaked at #4,069 in 1992.
US births per 5-year period, 1990βpresent (SSA data).