Over the past 110 years, 37 509 girls and 10 boys have been named Mckenna. The name Mckenna ranks 628th in the United States among the most common names for girls. For the first time more than ten times newborns were named Mckenna in 1981. The peak of popularity of the name Mckenna came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.