Catelyn is a distinctive girls' name in United States, ranking #3134 in 2013 with 52 recorded births. The name reached its all-time peak in 2006 with 108 births ranking #1879. Since 1996, the popularity has decreased by 24.6%. In 2013, approximately 1 in every 33,739 girls born was named Catelyn. FALLING Recent data shows the name is currently falling.