Mckaylee is a distinctive girls' name in United States, ranking #4982 in 2014 with 28 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has increased by 55.6%. In 2014, approximately 1 in every 63,783 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.