Mckenna is a moderately popular girls' name in United States, ranking #258 in 2018 with 1,261 recorded births. The name reached its all-time peak in 2002 with 1,795 births ranking #177. In 2018, approximately 1 in every 1,348 girls born was named Mckenna. FALLING Recent data shows the name is currently falling.
Mckenna is a lively surname-style name with Gaelic roots. It feels modern and sporty while still carrying a clear family-name background.
Like many surname names, Mckenna rose strongly in modern first-name use because it sounds crisp and contemporary. Its popularity is tied more to style and rhythm than to widespread awareness of the older Gaelic root.