Mackenzy is a distinctive girls' name in United States, ranking #3602 in 2010 with 44 recorded births. The name reached its all-time peak in 2001 with 71 births ranking #2277. Since 1996, the popularity has increased by 51.7%. In 2010, approximately 1 in every 40,394 girls born was named Mackenzy. FALLING Recent data shows the name is currently falling.