Kaileen is a distinctive girls' name in United States, ranking #6499 in 2010 with 20 recorded births. The name reached its all-time peak in 2022 with 83 births ranking #2258. Since 1996, the popularity has decreased by 16.7%. In 2010, approximately 1 in every 88,866 girls born was named Kaileen. FALLING Recent data shows the name is currently falling.