Casey meaning, girlCasey

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What does Casey mean?

Casey \c(a)-sey\ as a girls' name (also used more regularly as boys' 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 variants: 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.

For more information, see also related girl names Kelsey and Cassandra.

Casey has 13 more related variations via Acacia, Cassie: Casha, Casia, Cassi, Cassie, Cassy, Caysha, Kasse, Kassey, Kassi, Kassie, Kassja, Kassy and Kasy.

Casey has 3 masculine forms: Kacey, Kasey and Kasi.


Casey is a very prominent first name for females (#461 out of 4276, Top 11%) and also a very prominent last name for both adults and children (#479 out of 88799, Top 1%). (2000 U.S. Census)

Displayed below is the birth name popularity of Casey for girls. Casey entered the list in 1970-1979 and reached its apex rank of #99 in the U.S. during 1980-1989, and is at #792 currently. (Top 1000 Birth Names Records, 2014)

Top 1000 baby names ranking of Casey name in U.S.

Top 100 baby names ranking of Casey outside U.S.

Below is a charted comparison of the popularity of Casey and corresponding names. Popular variation forms of Casey (#792 last year) are Kelsey (#324 last year), Cassandra (#516), Kasie, Kaycee, Kasey, Kassie, Kacie, Casie, Cassie, Kacey, Kaci and Kacy. Adoption of this girl name reached its apex in 1991 and has become much lower since, with forms such as Casey, Kasey, Cassie, Kassie and Kaci becoming somewhat dated. Kelsey (#324) and Cassandra (#516) are two of the more chic girl names in this compilation. (Top 1000 Birth Names Records, 2014)

Top 1000 baby names ranking of Casey, Casie, Cassandra, Cassie, Kacey, Kaci, Kacie, Kacy, Kasey, Kasie in U.S.

Top 1000 baby names ranking of Kassie, Kaycee, Kelsey in U.S.

Top 100 baby names ranking of Casey, Cassandra, Kasey, Kelsey outside U.S.

Similar Names

Casey is pronounced similarly to Cazzy and Kascey. Other suggested similar baby names are Cadey, Caley, Carey, Cas, Catey, Chassey, Chassy, Cissey and Cissy. These names tend to be less frequently used than Casey.