Casey.
A surname from Irish.
Meaning & usage
A surname from Irish.
A male given name transferred from the surname.
A female given name transferred from the surname.
A placename: A suburb of Canberra, Australian Capital Territory, Australia, named after Richard Casey, Baron Casey.
A placename: A local government area in eastern Melbourne, Victoria, Australia, also named after Baron Casey; in full, the City of Casey.
A placename: An electoral division in Victoria.
A placename: A city in Clark County and Cumberland County, Illinois, United States.
A placename: A minor city in Adair County and Guthrie County, Iowa, United States.
A placename: A town in Washburn County, Wisconsin, United States.
A placename: A township in Timiskaming District, Ontario, Canada, named after George Elliott Casey.
A placename: Ellipsis of Casey Station; a research station in Wilkes Land in Antarctica.
A placename: Ellipsis of Casey County.
Ellipsis of Planned Parenthood v. Casey, a 1992 U.S. Supreme Court ruling that reaffirmed the right to having an abortion; and reaffirmed the existence of a right to privacy under due process following the 14th Amendment.
Where this word comes from
Anglicisation of an Irish surname Ó Cathasaigh (literally “descendant of (a person named) Watchful”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.