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Cassey
How to Pronounce Cassey
Pronounced KASS-ee /ˈkæs.i/High
Meaning: Cassey is a variant spelling of Cassie or Casey. As Cassie it is a short form of Cassandra, the Trojan prophetess of Greek myth; as Casey it echoes the Irish surname from cathasaigh, 'vigilant.' The spelling straddles both, and we note the two routes.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Cassey is a variant of Cassie or Casey. Cassie shortens Cassandra, the Greek prophetess whose true warnings went unheeded; Casey comes from an Irish surname meaning 'vigilant.' The spelling rose with the popularity of both in the later twentieth century and peaked near 1986 at close to a hundred girls a year.
A girl named Cassey at that peak is in her thirties today. The variant never overtook Cassie or Casey and has thinned since, reading as an eighties spelling of a familiar sound; the two parent names are the recognizable forms, and its meaning follows whichever route a family favors.
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Frequently Asked
What does the name Cassey mean?
Cassey is a variant of Cassie, short for Cassandra the Greek prophetess, or of Casey, an Irish 'vigilant' name; we note both routes.
How do you pronounce Cassey?
It's said KASS-ee /ˈkæs.i/ — two syllables, stress on the first.
Is Cassey a boy or girl name?
Cassey is used here as a girl's name.
How popular is Cassey?
Cassey was a rare variant that peaked in the mid-eighties and has been uncommon since; it hasn't revived.