Mackenzy is a distinctive girls' name in United States, ranking #3331 in 2009 with 50 recorded births. The name reached its all-time peak in 2001 with 71 births ranking #2277. Since 1996, the popularity has increased by 72.4%. In 2009, approximately 1 in every 36,737 girls born was named Mackenzy. FALLING Recent data shows the name is currently falling.