Mackynzie is a distinctive girls' name in United States, ranking #9202 in 2016 with 12 recorded births. This places Mackynzie in the top 49% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 44 births ranking #3603. In 2016, approximately 1 in every 147,624 girls born was named Mackynzie. FALLING Recent data shows the name is currently falling.