Catilyn is a distinctive girls' name in United States, ranking #16230 in 2003 with 5 recorded births. The name reached its all-time peak in 2002 with 13 births ranking #7912. Since 1996, the popularity has decreased by 28.6%. In 2003, approximately 1 in every 365,410 girls born was named Catilyn. STABLE Recent data shows the name is currently stable.