Catelynn is a distinctive girls' name in United States, ranking #5174 in 1998 with 20 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has decreased by 16.7%. In 1998, approximately 1 in every 88,344 girls born was named Catelynn. RISING Recent data shows the name is currently rising.