Catelynn is a distinctive girls' name in United States, ranking #4446 in 2003 with 29 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has increased by 20.8%. In 2003, approximately 1 in every 63,002 girls born was named Catelynn. RISING Recent data shows the name is currently rising.