Catelynn is a distinctive girls' name in United States, ranking #3745 in 2006 with 41 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has increased by 70.8%. In 2006, approximately 1 in every 46,368 girls born was named Catelynn. RISING Recent data shows the name is currently rising.