Mckaylee is a distinctive girls' name in United States, ranking #5307 in 2001 with 22 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has increased by 22.2%. In 2001, approximately 1 in every 81,844 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.