Kayleen is a distinctive girls' name in United States, ranking #2524 in 2025 with 70 recorded births. The name reached its all-time peak in 2010 with 284 births ranking #916. Since 1996, the popularity has decreased by 43.5%. In 2025, approximately 1 in every 22,961 girls born was named Kayleen. FALLING Recent data shows the name is currently falling.