Caitlan is a distinctive girls' name in England & Wales, ranking #1296 in 2007 with 21 recorded births. The name reached its all-time peak in 1999 with 92 births ranking #349. Since 1996, the popularity has increased by 10.5%. In 2007, approximately 1 in every 14,577 girls born was named Caitlan. FALLING Recent data shows the name is currently falling.