Mackenzy is a distinctive girls' name in United States, ranking #3623 in 2008 with 45 recorded births. The name reached its all-time peak in 2001 with 71 births ranking #2277. Since 1996, the popularity has increased by 55.2%. In 2008, approximately 1 in every 42,016 girls born was named Mackenzy. FALLING Recent data shows the name is currently falling.