Mckinzy is a distinctive girls' name in United States, ranking #14787 in 2002 with 6 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #8403. Since 1996, the popularity has increased by 20.0%. In 2002, approximately 1 in every 299,470 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.