Mackenna is a distinctive girls' name in United States, ranking #3233 in 2025 with 49 recorded births. The name reached its all-time peak in 2008 with 187 births ranking #1322. Since 1996, the popularity has decreased by 50.5%. In 2025, approximately 1 in every 32,801 girls born was named Mackenna. FALLING Recent data shows the name is currently falling.