Kaileen is a distinctive girls' name in United States, ranking #9780 in 2015 with 11 recorded births. The name reached its all-time peak in 2022 with 83 births ranking #2258. Since 1996, the popularity has decreased by 54.2%. In 2015, approximately 1 in every 162,241 girls born was named Kaileen. FALLING Recent data shows the name is currently falling.