Mckaylah is a distinctive girls' name in United States, ranking #8962 in 2012 with 13 recorded births. The name reached its all-time peak in 2005 with 20 births ranking #6169. Since 1996, the popularity has increased by 62.5%. In 2012, approximately 1 in every 135,442 girls born was named Mckaylah. FALLING Recent data shows the name is currently falling.