Over the past 110 years, 10 boys and 37 509 girls have been named Mckenna. The name Mckenna ranks 10798th in the United States among the most common names for boys. For the first time more than ten times newborns were named Mckenna in 1995. The peak of popularity of the name Mckenna came in the 1990s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.