Mackensie is a distinctive girls' name in United States, ranking #14885 in 2019 with 6 recorded births. The name reached its all-time peak in 1998 with 63 births ranking #2269. Since 1996, the popularity has decreased by 87.5%. In 2019, approximately 1 in every 279,595 girls born was named Mackensie. FALLING Recent data shows the name is currently falling.