Over the past 110 years, 37 girls and 158 307 boys have been named Seth. The name Seth ranks 11347th in the United States among the most common names for girls. For the first time more than ten times newborns were named Seth in 1981. The peak of popularity of the name Seth came in the 1980s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.