Caolan is a distinctive boys' name in United States, ranking #8316 in 2000 with 7 recorded births. This places Caolan in the bottom 31% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 7 births ranking #7679. In 2000, approximately 1 in every 280,562 boys born was named Caolan. RISING Recent data shows the name is currently rising.