Cailey is a distinctive girls' name in United States, ranking #1786 in 2008 with 123 recorded births. This places Cailey in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 198 births ranking #1028. Since 1996, the popularity has increased by 17.1%. In 2008, approximately 1 in every 15,372 girls born was named Cailey. FALLING Recent data shows the name is currently falling.