Mckenzy is a distinctive girls' name in United States, ranking #3291 in 1999 with 39 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 56.0%. In 1999, approximately 1 in every 45,482 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.