Gender-neutralIrish origin2 syllables
Casey
Meaning: “Vigilant”
About the name Casey
Casey is a gender-neutral name with Irish roots, meaning “Vigilant”.
It has a classic feel. In 2025, Casey ranked #320 for boys in the US, with 1,072 babies given the name. Its peak year since 1940 was 1990.
Etymology
From Irish, meaning literally “descendant of (a person named) Watchful”.
Name meaning adapted from Wiktionary (“Casey”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #320
- In 2015
- #555
- Babies in 2025
- 1,072
Popularity of Casey, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Casey
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.