Catelynn is a distinctive girls' name in United States, ranking #4918 in 2008 with 30 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has increased by 25.0%. In 2008, approximately 1 in every 63,024 girls born was named Catelynn. RISING Recent data shows the name is currently rising.