Merlyn is a distinctive girls' name in United States, ranking #11311 in 2017 with 9 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 50.0%. In 2017, approximately 1 in every 191,764 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.