Pure
Katelyn is an Americanized phonetic spelling of Caitlin, the Irish form of Catherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the concept of purity.
Less common today
Katelyn isn't in the latest US Top 1000. It last peaked at #52 in 2001.
All-American artistic gymnast
American actress known for The Walking Dead
Singer-songwriter and actress
Former Australian jockey
US births per 5-year period, 1990βpresent (SSA data).