Mckinley is a distinctive boys' name in United States, ranking #2106 in 2013 with 64 recorded births. The name reached its all-time peak in 2000 with 111 births ranking #1218. Since 1996, the popularity has decreased by 25.6%. In 2013, approximately 1 in every 29,551 boys born was named Mckinley. FALLING Recent data shows the name is currently falling.