Carlyn is a distinctive girls' name in United States, ranking #3611 in 2007 with 45 recorded births. The name reached its all-time peak in 2000 with 66 births ranking #2339. Since 1996, the popularity has decreased by 21.1%. In 2007, approximately 1 in every 42,721 girls born was named Carlyn. FALLING Recent data shows the name is currently falling.