Catelyn is a distinctive girls' name in United States, ranking #8572 in 2021 with 12 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 82.6%. In 2021, approximately 1 in every 136,643 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.