Mckensie is a distinctive girls' name in United States, ranking #8771 in 2015 with 13 recorded births. The name reached its all-time peak in 1997 with 48 births ranking #2646. Since 1996, the popularity has decreased by 65.8%. In 2015, approximately 1 in every 137,281 girls born was named Mckensie. FALLING Recent data shows the name is currently falling.