Recorded 1968–2021 · United States
Cassey was most popular in 1986, when 98 American babies were given the name — ranking #2,197 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,846 people named Cassey.
Across the whole record Cassey is mostly a girl’s name — 91.6% of the 1,846 Americans given it were girls and 8.4% were boys. In births since 2016 it is 100% girls and 0% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
How much more common the name is in each state than across the country as a whole.
See Cassey on the interactive charts
Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org