Karolyn is a distinctive girls' name in United States, ranking #6770 in 2020 with 17 recorded births. The name reached its all-time peak in 1997 with 52 births ranking #2493. Since 1996, the popularity has decreased by 54.1%. In 2020, approximately 1 in every 95,030 girls born was named Karolyn. RISING Recent data shows the name is currently rising.