Karolyn is a distinctive girls' name in United States, ranking #5685 in 2024 with 22 recorded births. The name reached its all-time peak in 1997 with 52 births ranking #2493. Since 1996, the popularity has decreased by 40.5%. In 2024, approximately 1 in every 73,327 girls born was named Karolyn. RISING Recent data shows the name is currently rising.