Carlyn is a distinctive girls' name in United States, ranking #8462 in 2025 with 12 recorded births. The name reached its all-time peak in 2000 with 66 births ranking #2339. Since 1996, the popularity has decreased by 78.9%. In 2025, approximately 1 in every 133,939 girls born was named Carlyn. FALLING Recent data shows the name is currently falling.