In 2025, 173 US girls were named Nelly, making it the 1,294th most common girls’ name of the year, up 68 places from #1,362 in 2024. That is 5 more than the 168 girls named Nelly in 2024. Its best rank for girls was #625, reached in 1882. The most girls given the name in a single year was 208, in 2007. For comparison, it was #1,725 in 2015 and #2,167 in 1950.
Social Security card records list Nelly in 135 years of the 146 from 1880 to 2025, starting in 1882 with 10 babies. In all, 7,871 US babies have been given the name, 99% of them girls and 1.0% boys. Its busiest decade was the 2000s, with 1,627 babies named Nelly.
Over the 10 years from 2016 to 2025, 1,345 US girls were named Nelly; the busiest of those years was 2025, with 173. In 2025 that was about 1 in 9,291 of the girls in SSA’s list for the year.
Among the states, Nelly ranked highest in Wisconsin in 2025, at #768 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Nellie (153,284 babies since 1880), Nell (27,710 babies since 1880), Nelle (5,794 babies since 1880) and Neely (2,630 babies since 1880). Rarer spellings such as Nely, Neeley and Nealy are summarised on this page.