Caitlan is a distinctive girls' name in United States, ranking #3818 in 1999 with 31 recorded births. The name reached its all-time peak in 1996 with 51 births ranking #2481. Since 1996, the popularity has decreased by 39.2%. In 1999, approximately 1 in every 57,219 girls born was named Caitlan. FALLING Recent data shows the name is currently falling.