Merlyn is a distinctive girls' name in United States, ranking #9445 in 2022 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 2022, approximately 1 in every 148,978 girls born was named Merlyn. FALLING Recent data shows the name is currently falling.