Over the past 110 years, 3 601 girls and 2 251 875 boys have been named Thomas. The name Thomas ranks 2170th in the United States among the most common names for girls. For the first time more than ten times newborns were named Thomas in 1913. The peak of popularity of the name Thomas came in the 1920s and 1960s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.