Kaitlin is a moderately popular girls' name in England & Wales, ranking #420 in 2011 with 105 recorded births. The name reached its all-time peak in 2004 with 233 births ranking #198. Since 1996, the popularity has increased by 84.2%. In 2011, approximately 1 in every 3,060 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.