Mackenna is a distinctive girls' name in United States, ranking #1410 in 2005 with 152 recorded births. The name reached its all-time peak in 2008 with 187 births ranking #1322. Since 1996, the popularity has increased by 53.5%. In 2005, approximately 1 in every 12,156 girls born was named Mackenna. FALLING Recent data shows the name is currently falling.