Mckayla is a moderately popular girls' name in United States, ranking #470 in 2003 with 636 recorded births. The name reached its all-time peak in 1998 with 769 births ranking #370. Since 1996, the popularity has increased by 15.2%. In 2003, approximately 1 in every 2,873 girls born was named Mckayla. FALLING Recent data shows the name is currently falling.