In 2025, 23 US girls were named Kailah, making it the 5,478th most common girls’ name of the year, down 1,228 places from #4,250 in 2024. That is 11 fewer than the 34 girls named Kailah in 2024. Its best rank for girls was #1,783, reached in 2000. The most girls given the name in a single year was 99, in 2002. For comparison, it was #2,759 in 2015 and unranked in 1950.
Social Security card records list Kailah in 42 years of the 146 from 1880 to 2025, starting in 1982 with 7 babies. In all, 2,263 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 869 babies named Kailah.
Over the 10 years from 2016 to 2025, 376 US girls were named Kailah; the busiest of those years was 2023, with 46. In 2025 that was about 1 in 69,881 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kayla (347,144 babies since 1880), Kaila (14,556 babies since 1880), Kala (7,772 babies since 1880) and Kaylah (6,519 babies since 1880). Rarer spellings such as Kailayah are summarised on this page.