Kaitlyn is a moderately popular girls' name in England & Wales, ranking #192 in 2011 with 270 recorded births. This places Kaitlyn in the top 3% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2006 with 400 births ranking #139. Since 1996, the popularity has increased by 592.3%. In 2011, approximately 1 in every 1,190 girls born was named Kaitlyn. STABLE Recent data shows the name is currently stable.