The name reached its all-time peak in 2006 with 5 births ranking #2870. STABLE Recent data shows the name is currently stable.
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.