Mckynzie is a distinctive girls' name in United States, ranking #9527 in 2019 with 11 recorded births. The name reached its all-time peak in 2012 with 45 births ranking #3564. Since 1996, the popularity has decreased by 15.4%. In 2019, approximately 1 in every 152,507 girls born was named Mckynzie. FALLING Recent data shows the name is currently falling.