Casey is a moderately popular girls' name in England & Wales, ranking #115 in 1997 with 438 recorded births. The name reached its all-time peak in 2007 with 463 births ranking #121. Since 1996, the popularity has increased by 103.7%. In 1997, approximately 1 in every 669 girls born was named Casey. FALLING Recent data shows the name is currently falling.
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.