Mckaylah is a distinctive girls' name in United States, ranking #9418 in 2013 with 12 recorded births. The name reached its all-time peak in 2005 with 20 births ranking #6169. Since 1996, the popularity has increased by 50.0%. In 2013, approximately 1 in every 146,201 girls born was named Mckaylah. FALLING Recent data shows the name is currently falling.