Mckinley is a distinctive boys' name in United States, ranking #3721 in 2025 with 30 recorded births. The name reached its all-time peak in 2000 with 111 births ranking #1218. Since 1996, the popularity has decreased by 65.1%. In 2025, approximately 1 in every 56,936 boys born was named Mckinley. FALLING Recent data shows the name is currently falling.