Harley has been given to about 71,872 people in the United States since 1880. It was most common in 2017, which makes it a current name.
Harley ranks 418th among American unisexs in 2025, with 947 born that year. Its best year was 2017, when 1,933 babies were given the name, ranking 202nd. The typical living American called Harley is about 22 years old today. It is relatively most common in Montana, where it accounts for 0.12% 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.