Casey is a unisex name with a modern feel, drawn from real birth records. Below you'll find what Casey means and where it comes from, plus how many babies have been named Casey across the United States, UK, Ireland and New Zealand, how popular Casey has been over the decades, and the year it peaked.
Casey is a unisex name of Irish (Gaelic) origin meaning “vigilant, watchful”. originally a surname.
| Country | Births on record |
|---|---|
| United States since 1880 | 194,775 births |
| England & Wales since 1996 | 11,711 births |
| Scotland since 1974 | 1,317 births |
| Northern Ireland since 1997 | 619 births |
| Ireland since 1964 | 1,440 births |
| New Zealand top 100, since 1954 | 1,097 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Casey per year, United States (1888 to 2025). United States peaked in 1987 (7,510/yr) · England & Wales peaked in 2001 (608/yr) · Scotland peaked in 2007 (79/yr) · Ireland peaked in 2015 (62/yr) · Northern Ireland peaked in 2007 (42/yr).
Casey has been one of the most popular baby names in the United States. It was most common in 1987, when it ranked #97 nationally (given to 7,510 babies that year), and a popular choice in the 1980s.
Cassie · Kasey · Kacey · Case · Kase · Casie · Cassi
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