Mckynzie is a distinctive girls' name in United States, ranking #6589 in 2002 with 17 recorded births. This places Mckynzie in the top 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 45 births ranking #3564. Since 1996, the popularity has increased by 30.8%. In 2002, approximately 1 in every 105,695 girls born was named Mckynzie. FALLING Recent data shows the name is currently falling.