CaseyName meaning, origin and popularity
Casey is a unisex name of Irish origin. Its traditional meaning is “vigilant, watchful”.
Casey at a glance
- Meaning
- vigilant, watchful
- Origin
- Irish
- Gender
- Unisex
- Letters
- 5
- First letter
- C
How popular is Casey in Australia?
Casey was not in the NSW top 100 for girls in 2025. It last appeared in 1999. Its highest rank for girls was number 66 in 1990, and it has been in the top 100 in 14 of the 74 years since 1952.
| Year | 1975 | 1985 | 1995 | 2005 | 2015 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|
| Rank (girls) | – | #86 | #98 | – | – | – | – |
“–” means the name was outside the top 100 that year. Source: NSW Registry of Births, Deaths and Marriages, Popular Baby Names 1952 to 2025 (Data.NSW, data as at 26 March 2026). The list covers the top 100 names for each sex per year in NSW only. See popular baby names for the full 2025 top 20.
Names similar to Casey
Other Irish names:
- CianIrish
- CiaraIrish
- ClodaghIrish
- ColmIrish
- ConorIrish
- DaraIrish
- DarraghIrish
- DesmondIrish
- DonalIrish
- EamonIrish
- EoinIrish
- ErinIrish
More names starting with C:
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About our name meanings: meanings and origins shown on Littlenamer are the traditional, commonly cited etymologies. Sources vary, many names have more than one possible origin, and the same name can carry different meanings in different languages. Japanese name meanings depend on the characters (kanji) chosen. Please treat them as a friendly starting point rather than a definitive record. If you are drawn to a name from a culture other than your own, it is worth learning a little about its background and significance.