Karolyn is a distinctive girls' name in United States, ranking #5527 in 2016 with 24 recorded births. The name reached its all-time peak in 1997 with 52 births ranking #2493. Since 1996, the popularity has decreased by 35.1%. In 2016, approximately 1 in every 73,812 girls born was named Karolyn. RISING Recent data shows the name is currently rising.