Mckenzy is a distinctive girls' name in United States, ranking #3394 in 2005 with 45 recorded births. The name reached its all-time peak in 2000 with 56 births ranking #2661. Since 1996, the popularity has increased by 80.0%. In 2005, approximately 1 in every 41,060 girls born was named Mckenzy. FALLING Recent data shows the name is currently falling.