Merlyn is a distinctive girls' name in United States, ranking #6073 in 2008 with 23 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 283.3%. In 2008, approximately 1 in every 82,205 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.