In 2025, 47 US girls were named Ainslee, making it the 3,296th most common girls’ name of the year, up 402 places from #3,698 in 2024. That is 6 more than the 41 girls named Ainslee in 2024. Its best rank for girls was #2,144, reached in 2017. That year also had the most girls given the name: 89. For comparison, it was #2,351 in 2015 and unranked in 1950.
Social Security card records list Ainslee in 40 years of the 146 from 1880 to 2025, starting in 1985 with 7 babies. In all, 1,583 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 740 babies named Ainslee.
Over the 10 years from 2016 to 2025, 593 US girls were named Ainslee; the busiest of those years was 2017, with 89. In 2025 that was about 1 in 34,197 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Ainsley (20,896 babies since 1880), Ansley (12,168 babies since 1880), Anslee (1,402 babies since 1880) and Annsley (917 babies since 1880). Rarer spellings such as Aynslie, Annzlee and Annslie are summarised on this page.