In 2025, 1,205 US girls were named Kaylee, making it the 255th most common girls’ name of the year, down 35 places from #220 in 2024. That is 193 fewer than the 1,398 girls named Kaylee in 2024. Its best rank for girls was #26, reached in 2009. That year also had the most girls given the name: 7,219. For comparison, it was #61 in 2015 and #5,689 in 1950.
Social Security card records list Kaylee in 66 years of the 146 from 1880 to 2025, starting in 1943 with 5 babies. In all, 140,601 US babies have been given the name, 99.8% of them girls and 0.1% boys. Its busiest decade was the 2000s, with 56,543 babies named Kaylee.
Over the 10 years from 2016 to 2025, 23,168 US girls were named Kaylee; the busiest of those years was 2016, with 3,845. In 2025 that was about 1 in 1,334 of the girls in SSA’s list for the year.
Among the states, Kaylee ranked highest in Rhode Island in 2025, at #99 for girls there. It was in the top 100 in 1 state (counting DC). Related spellings in the SSA files include Kayla (347,144 babies since 1880), Kayleigh (34,568 babies since 1880), Kaila (14,556 babies since 1880) and Caylee (9,769 babies since 1880). Rarer spellings such as Kaelee, Kailea and Kaeley are summarised on this page.