Casey is a moderately popular boys' name in England & Wales, ranking #356 in 2019 with 125 recorded births. The name reached its all-time peak in 2025 with 267 births ranking #188. In 2019, approximately 1 in every 2,431 boys born was named Casey. RISING Recent data shows the name is currently rising.
Casey is an Irish surname-derived name usually linked with watchfulness or vigilance. It has an easy, friendly sound and has long worked as a flexible unisex choice.
The name entered modern first-name use through surname tradition and later became common for both boys and girls. Its relaxed style has helped it remain familiar without feeling dated.