Catelynn is a distinctive girls' name in United States, ranking #2591 in 2010 with 70 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has increased by 191.7%. In 2010, approximately 1 in every 25,390 girls born was named Catelynn. RISING Recent data shows the name is currently rising.