Merlyn is a distinctive girls' name in United States, ranking #9998 in 2002 with 10 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 66.7%. In 2002, approximately 1 in every 179,682 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.