Mckinzy is a distinctive girls' name in United States, ranking #11211 in 2009 with 10 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #8403. Since 1996, the popularity has increased by 100.0%. In 2009, approximately 1 in every 183,687 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.