Over the past 110 years, 29 011 boys and 6 girls have been named Dexter. The name Dexter ranks 598th in the United States among the most common names for boys. For the first time more than ten times newborns were named Dexter in 1913. The peak of popularity of the name Dexter came in the 1960s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.