Mckinzey is a distinctive girls' name in United States, ranking #8324 in 2003 with 13 recorded births. The name reached its all-time peak in 2011 with 16 births ranking #7678. Since 1996, the popularity has increased by 62.5%. In 2003, approximately 1 in every 140,542 girls born was named Mckinzey. FALLING Recent data shows the name is currently falling.