Kaitlin is a moderately popular girls' name in England & Wales, ranking #267 in 1999 with 144 recorded births. This places Kaitlin in the top 5% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2004 with 233 births ranking #198. Since 1996, the popularity has increased by 152.6%. In 1999, approximately 1 in every 1,956 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.