Mackenna is a distinctive girls' name in United States, ranking #1878 in 2016 with 109 recorded births. The name reached its all-time peak in 2008 with 187 births ranking #1322. Since 1996, the popularity has increased by 10.1%. In 2016, approximately 1 in every 16,252 girls born was named Mackenna. FALLING Recent data shows the name is currently falling.