Trevor has been given to about 161,775 people in the United States since 1880. It was most common in 1998, which makes it a Gen X and millennial name.
Trevor ranks 680th among American boys in 2025, with 400 born that year. Its best year was 1998, when 6,616 babies were given the name, ranking 58th. The typical living American called Trevor is about 30 years old today. It is relatively most common in New Hampshire, where it accounts for 0.10% 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.