In 2025, 379 US girls were named Abby, making it the 731st most common girls’ name of the year, down 107 places from #624 in 2024. That is 99 fewer than the 478 girls named Abby in 2024. Its best rank for girls was #163, reached in 2001. The most girls given the name in a single year was 2,048, in 2003. For comparison, it was #434 in 2015 and #1,115 in 1950.
Social Security card records list Abby in 140 years of the 146 from 1880 to 2025, starting in 1880 with 6 babies. In all, 62,036 US babies have been given the name, 99.7% of them girls and 0.3% boys. Its busiest decade was the 2000s, with 17,261 babies named Abby.
Over the 10 years from 2016 to 2025, 5,675 US girls were named Abby; the busiest of those years was 2016, with 727. In 2025 that was about 1 in 4,241 of the girls in SSA’s list for the year.
Among the states, Abby ranked highest in Iowa in 2025, at #390 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Abigail (413,935 babies since 1880), Abbie (22,556 babies since 1880), Abbi (2,083 babies since 1880) and Abbey (17,544 babies since 1880). Rarer spellings such as Abie, Abi and Aby are summarised on this page.