Mckinzy is a distinctive girls' name in United States, ranking #10184 in 2012 with 11 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #8403. Since 1996, the popularity has increased by 120.0%. In 2012, approximately 1 in every 160,067 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.