Catelyn is a distinctive girls' name in United States, ranking #4715 in 2017 with 29 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 58.0%. In 2017, approximately 1 in every 59,513 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.