Mckaylah is a distinctive girls' name in United States, ranking #6169 in 2005 with 20 recorded births. The name reached its all-time peak in 2005 with 20 births ranking #6169. Since 1996, the popularity has increased by 150.0%. In 2005, approximately 1 in every 92,385 girls born was named Mckaylah. FALLING Recent data shows the name is currently falling.