Mckayla is a distinctive girls' name in United States, ranking #624 in 2007 with 479 recorded births. The name reached its all-time peak in 1998 with 769 births ranking #370. Since 1996, the popularity has decreased by 13.2%. In 2007, approximately 1 in every 4,013 girls born was named Mckayla. FALLING Recent data shows the name is currently falling.