Mckaylah is a distinctive girls' name in United States, ranking #9989 in 2002 with 10 recorded births. The name reached its all-time peak in 2005 with 20 births ranking #6169. Since 1996, the popularity has increased by 25.0%. In 2002, approximately 1 in every 179,682 girls born was named Mckaylah. FALLING Recent data shows the name is currently falling.