Boy Name · Irish Origin
Casey
Last reviewed: June 2026
Here is what we know about Casey: it is a boy name meaning "Vigilant, watchful", with Irish roots, and it lands in the Top 1000 band of US popularity for 2026. Names like Casie share its phonetic family.
Names like Casey
- Casie — meaning, origin and popularity
- Case — meaning, origin and popularity
- Cassie — meaning, origin and popularity
- Cassi — meaning, origin and popularity
- Casi — meaning, origin and popularity
- Cass — meaning, origin and popularity
- Cash — meaning, origin and popularity
- Carey — meaning, origin and popularity
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Frequently asked about Casey
What does the name Casey mean?
Casey means "Vigilant, watchful" and is of Irish origin.
What is the origin of Casey?
Casey originates in Irish naming tradition. Names of Irish origin often share recognizable sounds and cultural roots that shape how the name reads today.
How do you pronounce Casey?
Casey has 5 letters and is most commonly stressed on the first syllable. Tap the pronunciation player on this page to hear it spoken aloud.
Is Casey a boy's or girl's name?
Casey is primarily used as a boy's name in US records, though usage can vary by region and era.
How popular is Casey in 2026?
In our 2026 popularity tracker, Casey sits in the Top 1000 tier — distinctive but not obscure.
What names are similar to Casey?
Names that share Casey's sound and style include Casie, Case, Cassie, Cassi, Casi. Open the "Names like Casey" rail on this page for the full list.