Casey - Name Meaning and Origin

The boy's and girl's name Casey \c(a)-sey\ is pronounced KAY-see. It is of Irish and Gaelic origin, and its meaning is "alert, watchful". From the male Gaelic name Cathasaigh. Also possibly a short form of Casimir. Made famous by the song about the engineer of the Cannonball Express train, Casey Jones. Baseball personality Casy Stengel; radio disc jockey Casey Kasem; actor Casey Affleck.

Casey has 6 variant forms: Cace, Cacey, Case, Cayce, Caycey and Kasey.

For more information, see also related names Kacey and Kasi.

Baby names that sound like Casey are Cass and Kasee.

Casey is a very popular male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Casey. Click here to compare Casey with related baby names.