Mckinzy is a distinctive girls' name in United States, ranking #12014 in 2003 with 8 recorded births. The name reached its all-time peak in 2008 with 15 births ranking #8403. Since 1996, the popularity has increased by 60.0%. In 2003, approximately 1 in every 228,381 girls born was named Mckinzy. STABLE Recent data shows the name is currently stable.