Kaitlin is a moderately popular girls' name in England & Wales, ranking #317 in 2009 with 142 recorded births. The name reached its all-time peak in 2004 with 233 births ranking #198. Since 1996, the popularity has increased by 149.1%. In 2009, approximately 1 in every 2,207 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.