In 2025, 55 US girls were named Kassie, making it the 3,010th most common girls’ name of the year, up 189 places from #3,199 in 2024. That is 5 more than the 50 girls named Kassie in 2024. Its best rank for girls was #640, reached in 1987. That year also had the most girls given the name: 294. For comparison, it was #2,463 in 2015 and #5,679 in 1950.
Social Security card records list Kassie in 77 years of the 146 from 1880 to 2025, starting in 1919 with 5 babies. In all, 7,034 US babies have been given the name, all of them girls. Its busiest decade was the 1980s, with 2,193 babies named Kassie.
Over the 10 years from 2016 to 2025, 516 US girls were named Kassie; the busiest of those years was 2016, with 65. In 2025 that was about 1 in 29,223 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Cassie (47,027 babies since 1880), Kacie (12,839 babies since 1880), Casie (4,818 babies since 1880) and Kasie (4,223 babies since 1880). Rarer spellings such as Kaysia and Kassiah are summarised on this page.