Mackensi is a distinctive girls' name in United States, ranking #9963 in 2002 with 10 recorded births. The name reached its all-time peak in 2000 with 13 births ranking #7846. Since 1996, the popularity has increased by 66.7%. In 2002, approximately 1 in every 179,682 girls born was named Mackensi. FALLING Recent data shows the name is currently falling.