Mackensie is a distinctive girls' name in United States, ranking #11088 in 2018 with 9 recorded births. The name reached its all-time peak in 1998 with 63 births ranking #2269. Since 1996, the popularity has decreased by 81.3%. In 2018, approximately 1 in every 188,936 girls born was named Mackensie. FALLING Recent data shows the name is currently falling.