Mckinley is a distinctive girls' name in United States, ranking #513 in 2019 with 615 recorded births. The name reached its all-time peak in 2014 with 862 births ranking #379. Since 1996, the popularity has increased by 583.3%. In 2019, approximately 1 in every 2,728 girls born was named Mckinley. FALLING Recent data shows the name is currently falling.