Mckayla is a moderately popular girls' name in United States, ranking #431 in 2001 with 642 recorded births. The name reached its all-time peak in 1998 with 769 births ranking #370. Since 1996, the popularity has increased by 16.3%. In 2001, approximately 1 in every 2,805 girls born was named Mckayla. FALLING Recent data shows the name is currently falling.