Mackensie is a distinctive girls' name in United States, ranking #3111 in 2004 with 50 recorded births. This places Mackensie in the top 17% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 63 births ranking #2269. In 2004, approximately 1 in every 36,722 girls born was named Mackensie. FALLING Recent data shows the name is currently falling.