Over the past 110 years, 376 661 boys and 423 girls have been named Roy. The name Roy ranks 84th in the United States among the most common names for boys. For the first time more than ten times newborns were named Roy in 1910. The peak of popularity of the name Roy came in the 1910s and 1920s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.