In 2025, 7 US girls were named Cayley, making it the 12,169th most common girls’ name of the year, up 3,578 places from #15,747 in 2024. That is 2 more than the 5 girls named Cayley in 2024. Its best rank for girls was #1,994, reached in 1998. That year also had the most girls given the name: 75. For comparison, it was #5,872 in 2015 and unranked in 1950.
Social Security card records list Cayley in 42 years of the 146 from 1880 to 2025, starting in 1984 with 6 babies. In all, 1,213 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 482 babies named Cayley.
Over the 10 years from 2016 to 2025, 98 US girls were named Cayley; the busiest of those years was 2018, with 15. In 2025 that was about 1 in 229,610 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kayley (8,586 babies since 1880), Kaylee (140,601 babies since 1880), Kailey (27,254 babies since 1880) and Kaley (13,707 babies since 1880).