In 2025, 6 US girls were named Casie, making it the 13,533rd most common girls’ name of the year, down 1,117 places from #12,416 in 2024. That is 1 fewer than the 7 girls named Casie in 2024. Its best rank for girls was #720, reached in 1983. That year also had the most girls given the name: 231. For comparison, it was #13,289 in 2015 and unranked in 1950.
Social Security card records list Casie in 59 years of the 146 from 1880 to 2025, starting in 1962 with 5 babies. In all, 4,818 US babies have been given the name, 99.6% of them girls and 0.4% boys. Its busiest decade was the 1980s, with 2,131 babies named Casie.
Over the 10 years from 2016 to 2025, 80 US girls were named Casie; the busiest of those years was 2017, with 14. In 2025 that was about 1 in 267,878 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Casey (194,775 babies since 1880), Cassie (47,027 babies since 1880), Kacie (12,839 babies since 1880) and Kassie (7,034 babies since 1880). Rarer spellings such as Casiah are summarised on this page.