Mckenzy is a distinctive girls' name in United States, ranking #4033 in 2012 with 38 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 52.0%. In 2012, approximately 1 in every 46,335 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.