Caileen is a distinctive girls' name in United States, ranking #15469 in 2006 with 6 recorded births. This places Caileen in the bottom 23% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 10 births ranking #10565. In 2006, approximately 1 in every 316,845 girls born was named Caileen. RISING Recent data shows the name is currently rising.