Casey
Casey is a unisex name of Irish origin meaning “brave in battle, vigilant.” It ranked #320 in the United States in 2025. Derived from the Irish Gaelic Cathasaigh, meaning vigilant or watchful.
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how do you pronounce Casey?
KAY-see
where does the name Casey come from?
An anglicization of the Irish surname Ó Cathasaigh, meaning descendant of the watchful or vigilant one.
It became popular in the United States in the 20th century, boosted by the legend of railroad engineer Casey Jones.
how popular is this name?
Casey has appeared in the US top 1,000 in 104 years since 1888, and fell outside it for 34. It peaked at #80 in 1987, and ranked #320 in 2025.
See the milestone years
| Year | Rank |
|---|---|
| 2025 | #320 |
| 2024 | #310 |
| 2023 | #316 |
| 2022 | #336 |
| 2021 | #447 |
| 2020 | #517 |
| 2019 | #529 |
| 2018 | #584 |
| 2017 | #524 |
| 2016 | #559 |
| 2010 | #398 |
| 2000 | #193 |
| 1990 | #89 |
| 1987 | #80 |
| 1980 | #93 |
| 1970 | #256 |
| 1960 | #430 |
| 1950 | #642 |
| 1910 | #677 |
| 1900 | #699 |
| 1890 | #994 |
| 1888 | #917 |
Source: SSA National Baby Names Dataset (through 2025). Years absent from the table are years Casey fell outside the top 1,000.
the history of Casey
It is also a nickname for Cassandra or for the initials K.C., and is used for both girls and boys in the US, UK and other English-speaking countries.
who are famous people named Casey?
- Casey Affleck
- Casey Stengel
- Casey Kasem
what names go well with Casey?
Sibling names that share Casey's rhythm and register without echoing it too closely.
quick answers about Casey
What does the name Casey mean?
Casey means “brave in battle, vigilant”.
What is the origin of the name Casey?
Casey comes from the Irish naming tradition.
How popular is the name Casey?
Casey ranked #320 in the US in 2025, according to Social Security data. Its best year was 1987, at #80, and it has spent 104 years in the top 1,000 since 1888.
Is Casey a boy or girl name?
Casey is a unisex name, used for both boys and girls.
How do you pronounce Casey?
Casey is pronounced KAY-see, with 2 syllables.
Last updated · Curated by HushName editorial
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