Merlyn is a distinctive girls' name in United States, ranking #8169 in 2010 with 15 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 150.0%. In 2010, approximately 1 in every 118,488 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.