Caitlin is a moderately popular girls' name in England & Wales, ranking #458 in 2019 with 92 recorded births. The name reached its all-time peak in 2003 with 2,277 births ranking #22. Since 1996, the popularity has decreased by 89.8%. In 2019, approximately 1 in every 3,044 girls born was named Caitlin. FALLING Recent data shows the name is currently falling.