In 2025, 79 US girls were named Kaelynn, making it the 2,310th most common girls’ name of the year, down 274 places from #2,036 in 2024. That is 17 fewer than the 96 girls named Kaelynn in 2024. Its best rank for girls was #909, reached in 2012. The most girls given the name in a single year was 288, in 2015. For comparison, it was #942 in 2015 and unranked in 1950.
Social Security card records list Kaelynn in 43 years of the 146 from 1880 to 2025, starting in 1982 with 5 babies. In all, 5,052 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 2,406 babies named Kaelynn.
Over the 10 years from 2016 to 2025, 1,437 US girls were named Kaelynn; the busiest of those years was 2016, with 221. In 2025 that was about 1 in 20,345 of the girls in SSA’s list for the year.
Among the states, Kaelynn ranked highest in North Carolina in 2025, at #1,352 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Kaelyn (15,648 babies since 1880), Kailyn (14,351 babies since 1880), Kaylynn (12,257 babies since 1880) and Kaylyn (12,091 babies since 1880).