Mckaylee is a distinctive girls' name in United States, ranking #5508 in 2012 with 25 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has increased by 38.9%. In 2012, approximately 1 in every 70,430 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.