Over the past 110 years, 25 489 girls have been named Shanna. The name Shanna ranks 789th in the United States among the most common names for girls. For the first time more than ten times newborns were named Shanna in 1931. The peak of popularity of the name Shanna came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.