Caitlin is a distinctive boys' name in United States, ranking #10588 in 2000 with 5 recorded births. The name reached its all-time peak in 2004 with 12 births ranking #6195. Since 1996, the popularity has decreased by 37.5%. In 2000, approximately 1 in every 392,786 boys born was named Caitlin. RISING Recent data shows the name is currently rising.