Casey: Meaning, origin and popularity
Pronounced KAY-see · 2 syllables
Anglicisation of an Irish surname O Cathasaigh (literally “descendant of (a person named) Watchful”).
- Origin
- English
- Pronunciation
- KAY-see
- US rank (2025)
- #320
- US babies a year
- about 1,522 (2021–2025)
- Peak
- around 1980
How popular is Casey?
Casey was the #320 name in the US in 2025, given to 1,300 babies. Its use has been fairly steady over the last decade. It peaked around 1980.
Around the world
| Country | Rank |
|---|---|
| United States | #320 |
| England & Wales | #320 |
| Scotland | #278 |
| Northern Ireland | #270 |
| Ireland | #123 |
| Canada | #223 |
| Australia | #302 |
How old are people named Casey?
Half of US adults named Casey are older than 38; most are between 22 and 55. (Estimated from US births by year and life tables.)
Sibling names for Casey
Names that real brothers and sisters of people named Casey have, from family records on Wikidata, most common first.
Names like Casey
Chosen by the same families or with a similar style and era.
On these lists
Questions about Casey
How do you pronounce Casey?
Casey is pronounced KAY-see.
How popular is the name Casey?
Casey was the #320 name in the US in 2025, given to 1,300 babies. Its use has been fairly steady over the last decade. It peaked around 1980.
How old are people named Casey?
Half of US adults named Casey are older than 38. Most are between 22 and 55.