Kayleen is a distinctive girls' name in United States, ranking #1489 in 2021 with 143 recorded births. The name reached its all-time peak in 2010 with 284 births ranking #916. Since 1996, the popularity has increased by 15.3%. In 2021, approximately 1 in every 11,467 girls born was named Kayleen. FALLING Recent data shows the name is currently falling.