Catelyn is a distinctive girls' name in United States, ranking #9822 in 2022 with 10 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 85.5%. In 2022, approximately 1 in every 163,876 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.