Mackinley is a distinctive girls' name in United States, ranking #10725 in 2024 with 9 recorded births. The name reached its all-time peak in 2018 with 28 births ranking #4843. Since 1996, the popularity has increased by 28.6%. In 2024, approximately 1 in every 179,243 girls born was named Mackinley. FALLING Recent data shows the name is currently falling.