Mckenzy is a distinctive girls' name in United States, ranking #3618 in 2013 with 43 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 72.0%. In 2013, approximately 1 in every 40,800 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.