In 2025, 21 US girls were named Kaydee, making it the 5,823rd most common girls’ name of the year, up 226 places from #6,049 in 2024. That is 1 more than the 20 girls named Kaydee in 2024. Its best rank for girls was #1,862, reached in 2009. That year also had the most girls given the name: 114. For comparison, it was #2,289 in 2015 and unranked in 1950.
Social Security card records list Kaydee in 51 years of the 146 from 1880 to 2025, starting in 1974 with 7 babies. In all, 2,417 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 840 babies named Kaydee.
Over the 10 years from 2016 to 2025, 310 US girls were named Kaydee; the busiest of those years was 2017, with 51. In 2025 that was about 1 in 76,537 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kadie (2,630 babies since 1880). Rarer spellings such as Caydee and Caidee are summarised on this page.