Pure
A modern American spelling variation of Caitlin, which is the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, most commonly associated with the concept of purity.
Less common today
Katelynd isn't in the latest US Top 1000. It last peaked at #4,514 in 1992.
US births per 5-year period, 1990βpresent (SSA data).