Mckinley is a distinctive girls' name in United States, ranking #714 in 2025 with 393 recorded births. The name reached its all-time peak in 2014 with 862 births ranking #379. Since 1996, the popularity has increased by 336.7%. In 2025, approximately 1 in every 4,090 girls born was named Mckinley. FALLING Recent data shows the name is currently falling.