Mckinley is a distinctive girls' name in United States, ranking #1023 in 2007 with 259 recorded births. This places Mckinley in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 862 births ranking #379. Since 1996, the popularity has increased by 187.8%. In 2007, approximately 1 in every 7,423 girls born was named Mckinley. FALLING Recent data shows the name is currently falling.