In 2025, 748 US girls were named Harley, making it the 418th most common girls’ name of the year, down 22 places from #396 in 2024. That is 49 fewer than the 797 girls named Harley in 2024. Its best rank for girls was #202, reached in 2017. That year also had the most girls given the name: 1,532. For comparison, it was #278 in 2015 and unranked in 1950.
In 2025, 199 US boys were named Harley, making it the 1,083rd most common boys’ name of the year, down 63 places from #1,020 in 2024. That is 20 fewer than the 219 boys named Harley in 2024. Its best rank for boys was #164, reached in 1887. The most boys given the name in a single year was 789, in 1994. For comparison, it was #654 in 2015 and #413 in 1950.
Social Security card records list Harley in every one of the 146 years from 1880 to 2025; in 1880 there were 70 babies with the name. In all, 71,872 US babies have been given the name, 43% of them girls and 57% boys. Its busiest decade was the 2010s, with 14,535 babies named Harley.
Over the 10 years from 2016 to 2025, 11,179 US girls were named Harley; the busiest of those years was 2017, with 1,532. In 2025 that was about 1 in 2,149 of the girls in SSA’s list for the year.
Among the states, Harley ranked highest in Montana in 2025, at #128 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Harlee (8,502 babies since 1880) and Harlie (5,270 babies since 1880). Rarer spellings such as Harli, Harlei and Harly are summarised on this page.