Mckenzy is a distinctive girls' name in United States, ranking #3826 in 2014 with 40 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 60.0%. In 2014, approximately 1 in every 44,648 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.