Mckenna is a moderately popular girls' name in United States, ranking #377 in 2024 with 825 recorded births. The name reached its all-time peak in 2002 with 1,795 births ranking #177. Since 1996, the popularity has decreased by 32.9%. In 2024, approximately 1 in every 1,955 girls born was named Mckenna. FALLING Recent data shows the name is currently falling.