Over the past 110 years, 105 boys and 201 814 girls have been named Thelma. The name Thelma ranks 5713th in the United States among the most common names for boys. For the first time more than ten times newborns were named Thelma in 1916. The peak of popularity of the name Thelma 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.