Pure
Kateryn is a rare medieval spelling variant of Katherine. It shares the same etymological roots as the Greek name Aikaterine, which has long been associated with the Greek word katharos, meaning pure.
Less common today
Kateryn isn't in the latest US Top 1000. It last peaked at #9,029 in 2006.
US births per 5-year period, 1990βpresent (SSA data).
The sixth and final wife of King Henry VIII, often spelled Catherine Parr
Welsh noblewoman known as the Mother of Wales