Merlyn is a distinctive girls' name in United States, ranking #9346 in 2020 with 11 recorded births. The name reached its all-time peak in 2008 with 23 births ranking #6073. Since 1996, the popularity has increased by 83.3%. In 2020, approximately 1 in every 146,865 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.