In 2025, 1,072 US boys were named Casey, making it the 320th most common boys’ name of the year, down 10 places from #310 in 2024. That is 27 fewer than the 1,099 boys named Casey in 2024. Its best rank for boys was #80, reached in 1987. The most boys given the name in a single year was 4,134, in 1990. For comparison, it was #555 in 2015 and #643 in 1950.
In 2025, 228 US girls were named Casey, making it the 1,065th most common girls’ name of the year, down 13 places from #1,052 in 2024. That is 9 fewer than the 237 girls named Casey in 2024. Its best rank for girls was #80, reached in 1986. The most girls given the name in a single year was 3,582, in 1987. For comparison, it was #819 in 2015 and #2,557 in 1950.
Social Security card records list Casey in 132 years of the 146 from 1880 to 2025, starting in 1888 with 6 babies. In all, 194,775 US babies have been given the name, 40% of them girls and 60% boys. Its busiest decade was the 1980s, with 63,886 babies named Casey.
Over the 10 years from 2016 to 2025, 7,544 US boys were named Casey; the busiest of those years was 2024, with 1,099. In 2025 that was about 1 in 1,593 of the boys in SSA’s list for the year.
Among the states, Casey ranked highest in Delaware in 2025, at #146 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kasey (45,949 babies since 1880), Kaycee (9,184 babies since 1880), Kacey (15,265 babies since 1880) and Casie (4,818 babies since 1880). Rarer spellings such as Casi, Kassy and Kassey are summarised on this page.