Kayleen is a distinctive girls' name in United States, ranking #916 in 2010 with 284 recorded births. The name reached its all-time peak in 2010 with 284 births ranking #916. Since 1996, the popularity has increased by 129.0%. In 2010, approximately 1 in every 6,258 girls born was named Kayleen. FALLING Recent data shows the name is currently falling.