In 2025, 88 US girls were named Ally, making it the 2,118th most common girls’ name of the year, down 246 places from #1,872 in 2024. That is 19 fewer than the 107 girls named Ally in 2024. Its best rank for girls was #417, reached in 1998. That year also had the most girls given the name: 636. For comparison, it was #872 in 2015 and unranked in 1950.
Social Security card records list Ally in 41 years of the 146 from 1880 to 2025, starting in 1985 with 13 babies. In all, 10,247 US babies have been given the name, 99.8% of them girls and 0.2% boys. Its busiest decade was the 2000s, with 4,149 babies named Ally.
Over the 10 years from 2016 to 2025, 1,597 US girls were named Ally; the busiest of those years was 2016, with 272. In 2025 that was about 1 in 18,264 of the girls in SSA’s list for the year.
Among the states, Ally ranked highest in Missouri in 2025, at #936 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Allie (56,372 babies since 1880), Elly (4,595 babies since 1880), Alli (3,810 babies since 1880) and Aly (2,197 babies since 1880). Rarer spellings such as Ahley and Auley are summarised on this page.