Mackensi is a distinctive girls' name in United States, ranking #10401 in 1997 with 8 recorded births. The name reached its all-time peak in 2000 with 13 births ranking #7846. Since 1996, the popularity has increased by 33.3%. In 1997, approximately 1 in every 217,582 girls born was named Mackensi. FALLING Recent data shows the name is currently falling.