Caitlin is a moderately popular girls' name in England & Wales, ranking #222 in 2016 with 236 recorded births. The name reached its all-time peak in 2003 with 2,277 births ranking #22. Since 1996, the popularity has decreased by 74.0%. In 2016, approximately 1 in every 1,301 girls born was named Caitlin. FALLING Recent data shows the name is currently falling.