Mckaylee is a distinctive girls' name in United States, ranking #4245 in 2002 with 30 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has increased by 66.7%. In 2002, approximately 1 in every 59,894 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.