Casey is a moderately popular girls' name in United States, ranking #313 in 2003 with 987 recorded births. The name reached its all-time peak in 1996 with 2,551 births ranking #121. Since 1996, the popularity has decreased by 61.3%. In 2003, approximately 1 in every 1,851 girls born was named Casey. STABLE Recent data shows the name is currently stable.
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.