Merlyn is a distinctive girls' name in United States, ranking #7309 in 2007 with 18 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 200.0%. In 2007, approximately 1 in every 106,803 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.