In 2025, 15 US girls were named Kalynn, making it the 7,301st most common girls’ name of the year, down 1,776 places from #5,525 in 2024. That is 8 fewer than the 23 girls named Kalynn in 2024. Its best rank for girls was #1,257, reached in 1995. The most girls given the name in a single year was 145, in 2008. For comparison, it was #2,225 in 2015 and unranked in 1950.
Social Security card records list Kalynn in 66 years of the 146 from 1880 to 2025, starting in 1955 with 5 babies. In all, 3,722 US babies have been given the name, 99% of them girls and 0.9% boys. Its busiest decade was the 2000s, with 1,189 babies named Kalynn.
Over the 10 years from 2016 to 2025, 328 US girls were named Kalynn; the busiest of those years was 2018, with 53. In 2025 that was about 1 in 107,151 of the girls in SSA’s list for the year.
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). Rarer spellings such as Kaliann and Calynne are summarised on this page.