Carlyn is a distinctive girls' name in United States, ranking #4413 in 2010 with 33 recorded births. The name reached its all-time peak in 2000 with 66 births ranking #2339. Since 1996, the popularity has decreased by 42.1%. In 2010, approximately 1 in every 53,858 girls born was named Carlyn. FALLING Recent data shows the name is currently falling.