Karolyn is a distinctive girls' name in United States, ranking #4032 in 2002 with 32 recorded births. The name reached its all-time peak in 1997 with 52 births ranking #2493. Since 1996, the popularity has decreased by 13.5%. In 2002, approximately 1 in every 56,151 girls born was named Karolyn. RISING Recent data shows the name is currently rising.