Catelynn is a distinctive girls' name in United States, ranking #4396 in 2007 with 34 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2591. Since 1996, the popularity has increased by 41.7%. In 2007, approximately 1 in every 56,543 girls born was named Catelynn. RISING Recent data shows the name is currently rising.