Mackenzy is a distinctive girls' name in United States, ranking #5248 in 2014 with 26 recorded births. The name reached its all-time peak in 2001 with 71 births ranking #2277. Since 1996, the popularity has decreased by 10.3%. In 2014, approximately 1 in every 68,690 girls born was named Mackenzy. FALLING Recent data shows the name is currently falling.