In 2025, 148 US girls were named Hartley, making it the 1,453rd most common girls’ name of the year, up 23 places from #1,476 in 2024. That is 0 more than the 148 girls named Hartley in 2024. Its best rank for girls was #1,453, reached in this year, 2025. That year also had the most girls given the name: 148. For comparison, it was #1,613 in 2015 and unranked in 1950.
In 2025, 26 US boys were named Hartley, making it the 4,076th most common boys’ name of the year, down 157 places from #3,919 in 2024. That is 2 fewer than the 28 boys named Hartley in 2024. Its best rank for boys was #717, reached in 1895. The most boys given the name in a single year was 36, in 1918. For comparison, it was #4,449 in 2015 and #2,496 in 1950.
Social Security card records list Hartley in 108 years of the 146 from 1880 to 2025, starting in 1892 with 6 babies. In all, 3,827 US babies have been given the name, 58% of them girls and 42% boys. Its busiest decade was the 2010s, with 1,407 babies named Hartley.
Over the 10 years from 2016 to 2025, 1,297 US girls were named Hartley; the busiest of those years was 2025, with 148. In 2025 that was about 1 in 10,860 of the girls in SSA’s list for the year.
Among the states, Hartley ranked highest in Mississippi in 2025, at #353 for girls there. It was not in the top 100 of any state. Rarer spellings such as Hartlee, Hartlie and Hartly are summarised on this page.