Over the past 110 years, 20 521 girls have been named Glenna. The name Glenna ranks 882th in the United States among the most common names for girls. For the first time more than ten times newborns were named Glenna in 1910. The peak of popularity of the name Glenna came in the 1920s and 1930s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.