Over the past 110 years, 25 913 girls have been named Brenna. The name Brenna ranks 777th in the United States among the most common names for girls. For the first time more than ten times newborns were named Brenna in 1952. The peak of popularity of the name Brenna 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.