In 2025, 41 US girls were named Kaitlynn, making it the 3,676th most common girls’ name of the year, down 196 places from #3,480 in 2024. That is 4 fewer than the 45 girls named Kaitlynn in 2024. Its best rank for girls was #356, reached in 1998. The most girls given the name in a single year was 822, in 1999. For comparison, it was #989 in 2015 and unranked in 1950.
Social Security card records list Kaitlynn in 43 years of the 146 from 1880 to 2025, starting in 1982 with 5 babies. In all, 16,424 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 6,603 babies named Kaitlynn.
Over the 10 years from 2016 to 2025, 881 US girls were named Kaitlynn; the busiest of those years was 2016, with 171. In 2025 that was about 1 in 39,202 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Caitlynn (4,947 babies since 1880), Kaitlynne (929 babies since 1880), Kaitlyn (166,921 babies since 1880) and Kaitlin (57,430 babies since 1880). Rarer spellings such as Kaytlynne are summarised on this page. The open nickname list we use links it to Kait and Kaitie.