Kaitlyn is a moderately popular girls' name in England & Wales, ranking #420 in 2017 with 105 recorded births. The name reached its all-time peak in 2006 with 400 births ranking #139. Since 1996, the popularity has increased by 169.2%. In 2017, approximately 1 in every 2,848 girls born was named Kaitlyn. STABLE Recent data shows the name is currently stable.