Kaileen is a distinctive girls' name in United States, ranking #4299 in 2025 with 33 recorded births. The name reached its all-time peak in 2022 with 83 births ranking #2258. Since 1996, the popularity has increased by 37.5%. In 2025, approximately 1 in every 48,705 girls born was named Kaileen. FALLING Recent data shows the name is currently falling.