In 2025, 68 US girls were named Darby, making it the 2,564th most common girls’ name of the year, up 567 places from #3,131 in 2024. That is 17 more than the 51 girls named Darby in 2024. Its best rank for girls was #499, reached in 1995. That year also had the most girls given the name: 491. For comparison, it was #1,863 in 2015 and #2,362 in 1950.
In 2025, 13 US boys were named Darby, making it the 6,540th most common boys’ name of the year, up 1,352 places from #7,892 in 2024. That is 3 more than the 10 boys named Darby in 2024. Its best rank for boys was #721, reached in 1970. That year also had the most boys given the name: 130. For comparison, it was #3,902 in 2015 and #2,469 in 1950.
Social Security card records list Darby in 104 years of the 146 from 1880 to 2025, starting in 1913 with 6 babies. In all, 11,278 US babies have been given the name, 74% of them girls and 26% boys. Its busiest decade was the 1990s, with 2,965 babies named Darby.
Over the 10 years from 2016 to 2025, 859 US girls were named Darby; the busiest of those years was 2017, with 123. In 2025 that was about 1 in 23,636 of the girls in SSA’s list for the year.
Among the states, Darby ranked highest in Ohio in 2025, at #1,513 for girls there. It was not in the top 100 of any state. Rarer spellings such as Darbi, Darbie and Darbey are summarised on this page.