Karolyn is a distinctive girls' name in United States, ranking #5546 in 2022 with 23 recorded births. The name reached its all-time peak in 1997 with 52 births ranking #2493. Since 1996, the popularity has decreased by 37.8%. In 2022, approximately 1 in every 71,251 girls born was named Karolyn. RISING Recent data shows the name is currently rising.