In 2025, 203 US girls were named Allyson, making it the 1,139th most common girls’ name of the year, down 225 places from #914 in 2024. That is 87 fewer than the 290 girls named Allyson in 2024. Its best rank for girls was #186, reached in 1998. That year also had the most girls given the name: 1,651. For comparison, it was #363 in 2015 and #1,064 in 1950.
Social Security card records list Allyson in 81 years of the 146 from 1880 to 2025, starting in 1945 with 18 babies. In all, 53,779 US babies have been given the name, all of them girls. Its busiest decade was the 1990s, with 13,267 babies named Allyson.
Over the 10 years from 2016 to 2025, 4,402 US girls were named Allyson; the busiest of those years was 2016, with 773. In 2025 that was about 1 in 7,918 of the girls in SSA’s list for the year.
Among the states, Allyson ranked highest in Florida in 2025, at #517 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Allison (322,944 babies since 1880), Alison (117,481 babies since 1880), Alyson (29,740 babies since 1880) and Alisson (7,049 babies since 1880). The open nickname list we use links it to Ali, Allie and Ally.