Kaitlyn is a distinctive girls' name in England & Wales, ranking #1362 in 2025 with 23 recorded births. The name reached its all-time peak in 2006 with 400 births ranking #139. Since 1996, the popularity has decreased by 41.0%. In 2025, approximately 1 in every 11,012 girls born was named Kaitlyn. STABLE Recent data shows the name is currently stable.