Over the past 110 years, 111 710 girls and 90 663 boys have been named Riley. The name Riley ranks 307th in the United States among the most common names for girls. For the first time more than ten times newborns were named Riley in 1985. The peak of popularity of the name Riley came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.