Mckinzy is a distinctive girls' name in United States, ranking #8851 in 2007 with 14 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #8403. Since 1996, the popularity has increased by 180.0%. In 2007, approximately 1 in every 137,318 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.