Pure
A modern phonetic spelling of Caitlin, which is the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, which has been associated with the word katharos, meaning pure.
Less common today
Katelin isn't in the latest US Top 1000. It last peaked at #540 in 1993.
US births per 5-year period, 1990βpresent (SSA data).
Olympic coxswain and gold medalist