Mckayla is a distinctive girls' name in United States, ranking #667 in 2009 with 437 recorded births. The name reached its all-time peak in 1998 with 769 births ranking #370. Since 1996, the popularity has decreased by 20.8%. In 2009, approximately 1 in every 4,203 girls born was named Mckayla. FALLING Recent data shows the name is currently falling.