Mckaylee is a distinctive girls' name in United States, ranking #16449 in 2025 with 5 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has decreased by 72.2%. In 2025, approximately 1 in every 321,453 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.