Mckenzy is a distinctive girls' name in United States, ranking #2661 in 2000 with 56 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 124.0%. In 2000, approximately 1 in every 32,428 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.