Catelyn is a distinctive girls' name in United States, ranking #1879 in 2006 with 108 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has increased by 56.5%. In 2006, approximately 1 in every 17,603 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.