Cathlyn is a distinctive girls' name in United States, ranking #8525 in 2024 with 12 recorded births. The name reached its all-time peak in 2024 with 12 births ranking #8525. Since 1996, the popularity has increased by 140.0%. In 2024, approximately 1 in every 134,432 girls born was named Cathlyn. RISING Recent data shows the name is currently rising.