Pure
Kaileen is a modern American elaboration of the Irish name Kathleen or Kay, ultimately derived from the Greek name Aikaterine. It shares the same etymological root as Catherine, which is widely associated with the concept of purity. The name gained some traction in the late 20th century as part of the trend for 'een' ending names.
Less common today
Kaileen isn't in the latest US Top 1000. It last peaked at #2,263 in 2022.
American actress known for various television roles
US births per 5-year period, 1990βpresent (SSA data).