Caitlin is a distinctive girls' name in England & Wales, ranking #529 in 2021 with 77 recorded births. The name reached its all-time peak in 2003 with 2,277 births ranking #22. Since 1996, the popularity has decreased by 91.5%. In 2021, approximately 1 in every 3,559 girls born was named Caitlin. FALLING Recent data shows the name is currently falling.