Mackenzy is a distinctive girls' name in United States, ranking #3084 in 1999 with 43 recorded births. The name reached its all-time peak in 2001 with 71 births ranking #2277. Since 1996, the popularity has increased by 48.3%. In 1999, approximately 1 in every 41,251 girls born was named Mackenzy. FALLING Recent data shows the name is currently falling.