In 2025, 211 US girls were named Kacey, making it the 1,118th most common girls’ name of the year, down 23 places from #1,095 in 2024. That is 14 fewer than the 225 girls named Kacey in 2024. Its best rank for girls was #577, reached in 1991. That year also had the most girls given the name: 402. For comparison, it was #1,308 in 2015 and unranked in 1950.
In 2025, 182 US boys were named Kacey, making it the 1,155th most common boys’ name of the year, down 112 places from #1,043 in 2024. That is 31 fewer than the 213 boys named Kacey in 2024. Its best rank for boys was #997, reached in 2021. That year also had the most boys given the name: 220. For comparison, it was #4,467 in 2015 and unranked in 1950.
Social Security card records list Kacey in 68 years of the 146 from 1880 to 2025, starting in 1952 with 5 babies. In all, 15,265 US babies have been given the name, 78% of them girls and 22% boys. Its busiest decade was the 1990s, with 3,798 babies named Kacey.
Over the 10 years from 2016 to 2025, 1,861 US girls were named Kacey; the busiest of those years was 2024, with 225. In 2025 that was about 1 in 7,617 of the girls in SSA’s list for the year.
Among the states, Kacey ranked highest in Mississippi in 2025, at #580 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Kaci (10,183 babies since 1880), Kacy (6,047 babies since 1880), Kasie (4,223 babies since 1880) and Casey (194,775 babies since 1880). Rarer spellings such as Kacia, Kaicee and Kaycei are summarised on this page.