Mckenna is a moderately popular girls' name in United States, ranking #291 in 2022 with 1,085 recorded births. The name reached its all-time peak in 2002 with 1,795 births ranking #177. Since 1996, the popularity has decreased by 11.8%. In 2022, approximately 1 in every 1,510 girls born was named Mckenna. FALLING Recent data shows the name is currently falling.