Kacey is a girl name with a modern feel, drawn from real birth records. Below you'll find what Kacey means and where it comes from, plus how many babies have been named Kacey across the United States, UK, Ireland and New Zealand, how popular Kacey has been over the decades, and the year it peaked.
Kacey is a girl name of Irish (Gaelic) origin meaning “vigilant, watchful”. A variant of Casey, an anglicized Irish surname.
| Country | Births on record |
|---|---|
| United States since 1880 | 15,265 births |
| England & Wales since 1996 | 4,380 births |
| Scotland since 1974 | 521 births |
| Northern Ireland since 1997 | 173 births |
| Ireland since 1964 | 358 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 Kacey per year, United States (1952 to 2025). United States peaked in 1991 (463/yr) · England & Wales peaked in 2006 (429/yr) · Scotland peaked in 2006 (46/yr) · Ireland peaked in 2004 (33/yr) · Northern Ireland peaked in 2011 (22/yr).
Kacey has been a fairly common baby name in the United States. It was most common in 1991, when it ranked #969 nationally (given to 463 babies that year).
Casey · Kasey · Kayce · Kacie · Kaci · Kase · Kaycee · Kacy
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