In 2025, 16 US girls were named Cailey, making it the 6,895th most common girls’ name of the year, down 1,567 places from #5,328 in 2024. That is 8 fewer than the 24 girls named Cailey in 2024. Its best rank for girls was #1,024, reached in 1998. The most girls given the name in a single year was 198, in 1999. For comparison, it was #2,626 in 2015 and unranked in 1950.
Social Security card records list Cailey in 42 years of the 146 from 1880 to 2025, starting in 1984 with 5 babies. In all, 3,857 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 1,648 babies named Cailey.
Over the 10 years from 2016 to 2025, 428 US girls were named Cailey; the busiest of those years was 2016, with 86. In 2025 that was about 1 in 100,454 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Calie (1,546 babies since 1880), Kailey (27,254 babies since 1880), Kaley (13,707 babies since 1880) and Kailee (12,953 babies since 1880).