Meaning and name origin
Casey \c(a)-sey\ as a girl's name (also used as boy's name Casey), is pronounced KAY-see. It is of Irish and Gaelic origin, and the meaning of Casey is "alert, watchful". From the male Gaelic name Cathasaigh. Also variant of Cassie and diminutive of Acacia. Made famous by the popular song about the heroism of Luther Casey Jones, a US engine driver who died to save the lives of his passengers. His nickname was derived from his home town, spelled Cayce.
Casey has 57 variant forms: Cacey, Caci, Cacia, Cacie, Cacy, Caisee, Caisey, Caisi, Caisie, Cascy, Casee, Casen, Casi, Casie, Cass, Casse, Cassee, Cassey, Cassye, Casy, Cayce, Caycee, Caycey, Cayci, Caycie, Cayse, Caysee, Caysey, Caysi, Caysie, Cazzi, Kace, Kacee, Kacey, Kaci, Kacie, Kacy, Kacye, Kacyee, Kaissie, Kasci, Kasee, Kasey, Kasi, Kasie, Kayce, Kaycee, Kaycey, Kayci, Kaycie, Kayse, Kaysee, Kaysey, Kaysi, Kaysie, Kaysy and Kaysyee.
Casey is a very popular first name for females (#461 out of 4276, Top 11%) and also a very popular surname or last name for all people (#479 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Casey for girls (2014 statistics).
Displayed below is a comparison of the popularity of the girl name Casey and its variant forms. Popular variation forms ranked in the Top 1000/100 are Kelsey (#324), Cassandra (#516), Casey (#792), Kasey, Kaycee, Kacy, Kasie, Kacie, Acacia, Cassie, Casie, Kacey and Kaci. (2014 statistics).
Casey is also pronounced similarly to Cassi, Cassy, Cazzy, Kascey, Kassey, Kassy and Kasy. Other suggested similar baby names are Cadey, Caley, Carey, Cas, Casha, Casia, Catey, Chassey, Chassy, Cissey and Cissy. These names tend to be less commonly used than Casey.