In 2025, 6 US girls were named Kailie, making it the 14,010th most common girls’ name of the year. Its best rank for girls was #2,145, reached in 1999. The most girls given the name in a single year was 71, in 2004. For comparison, it was #5,929 in 2015 and unranked in 1950.
Social Security card records list Kailie in 40 years of the 146 from 1880 to 2025, starting in 1984 with 6 babies. In all, 1,324 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 579 babies named Kailie.
Over the 10 years from 2016 to 2025, 80 US girls were named Kailie; the busiest of those years was 2017, with 17. In 2025 that was about 1 in 267,878 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kaylee (140,601 babies since 1880), Callie (70,827 babies since 1880), Kali (33,438 babies since 1880) and Kailey (27,254 babies since 1880).