Mckayla is a moderately popular girls' name in United States, ranking #449 in 2002 with 639 recorded births. The name reached its all-time peak in 1998 with 769 births ranking #370. Since 1996, the popularity has increased by 15.8%. In 2002, approximately 1 in every 2,812 girls born was named Mckayla. FALLING Recent data shows the name is currently falling.