Kaitlyn is a distinctive girls' name in England & Wales, ranking #616 in 2019 with 64 recorded births. The name reached its all-time peak in 2006 with 400 births ranking #139. Since 1996, the popularity has increased by 64.1%. In 2019, approximately 1 in every 4,376 girls born was named Kaitlyn. STABLE Recent data shows the name is currently stable.