Karlyn is a distinctive girls' name in United States, ranking #6679 in 2025 with 17 recorded births. The name reached its all-time peak in 2000 with 46 births ranking #3045. Since 1996, the popularity has decreased by 48.5%. In 2025, approximately 1 in every 94,545 girls born was named Karlyn. RISING Recent data shows the name is currently rising.