Over the past 110 years, 19 girls and 127 756 boys have been named Clayton. The name Clayton ranks 13520th in the United States among the most common names for girls. For the first time more than ten times newborns were named Clayton in 1917. The peak of popularity of the name Clayton came in the 1910s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.