Roy has been given to about 411,331 people in the United States since 1880. It was most common in 1947, which makes it a midcentury name.
Roy ranks 525th among American boys in 2025, with 570 born that year. Its best year was 1947, when 7,592 babies were given the name, ranking 48th. The typical living American called Roy is about 70 years old today. It is relatively most common in Montana, where it accounts for 0.14% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.