Catlyn is a distinctive girls' name in United States, ranking #3284 in 2000 with 41 recorded births. This places Catlyn in the top 19% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 41 births ranking #3284. In 2000, approximately 1 in every 44,292 girls born was named Catlyn. FALLING Recent data shows the name is currently falling.