Catelyn is a distinctive girls' name in United States, ranking #8061 in 2020 with 13 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 81.2%. In 2020, approximately 1 in every 124,270 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.