Mckinley is a distinctive boys' name in United States, ranking #2201 in 2020 with 63 recorded births. The name reached its all-time peak in 2000 with 111 births ranking #1218. Since 1996, the popularity has decreased by 26.7%. In 2020, approximately 1 in every 27,382 boys born was named Mckinley. FALLING Recent data shows the name is currently falling.