Mckinzy is a distinctive girls' name in United States, ranking #15884 in 2013 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 2013, approximately 1 in every 292,402 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.