Meaning and name origin
Cassey \c(as)-sey\ as a girl's name is of Irish, Gaelic, English and Greek origin, and the meaning of Cassey is "alert, watchful; pure". Cassey is a variant of Casey (Irish, Gaelic): from the male Gaelic name Cathasaigh. Also a variant of Cassie (English): short form of Cassandra and Katherine frequently used as an independent name. Cassey is also used as a variant of Catherine (Greek)
Cassey has 52 variant forms: Cacey, Caci, Cacy, Caisee, Caisey, Caisi, Caisie, Cascy, Casee, Casi, Casie, Cassee, Cassi, Cassy, Cassye, Casy, Caycee, Caycey, Cayci, Caysee, Caysey, Caysi, Caysie, Cazzy, Kacee, Kacey▼, Kaci▼, Kacy, Kacye, Kacyee, Kaissie, Kasci, Kasee, Kasey▼, Kasi, Kasie, Kassey, Kassi, Kassia, Kassie▼, Kassy, Kasy, Kasya, Kaycee, Kaycey, Kayci, Kaysee, Kaysey, Kaysi, Kaysie, Kaysy, Kaysyee.
Cassey is a somewhat popular first name for females (#4260 out of 4276, Top 100%) but a somewhat popular surname or last name for all people (#47992 out of 88799, Top 54%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Cassey and its variant forms. Popular variation forms ranked in the Top 1000/100 are Katherine (#83), Catherine (#170), Casey (#792), Kasie, Kassie, Kasey, Kaycee, Kaci, Casie, Cassie, Kacey and Kacy. (2014 statistics).
Cassey is also pronounced similarly to Cassia and Kascey. Other suggested similar baby names are Cass, Casse, Cayse, Chassey, Chassy, Cissee, Cissey, Cissy and Lassey. These names tend to be less commonly used than Cassey.