Kayleen is a distinctive girls' name in United States, ranking #1371 in 2001 with 139 recorded births. This places Kayleen in the top 8% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 284 births ranking #916. Since 1996, the popularity has increased by 12.1%. In 2001, approximately 1 in every 12,954 girls born was named Kayleen. FALLING Recent data shows the name is currently falling.