Kailee is a moderately popular girls' name in United States, ranking #493 in 2003 with 584 recorded births. The name reached its all-time peak in 2003 with 584 births ranking #493. Since 1996, the popularity has increased by 62.7%. In 2003, approximately 1 in every 3,129 girls born was named Kailee. FALLING Recent data shows the name is currently falling.