Catelyn is a distinctive girls' name in United States, ranking #5025 in 2016 with 27 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 60.9%. In 2016, approximately 1 in every 65,611 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.