Merryn is a distinctive girls' name in England & Wales, ranking #955 in 2012 with 38 recorded births. The name reached its all-time peak in 2013 with 45 births ranking #839. Since 1996, the popularity has increased by 280.0%. In 2012, approximately 1 in every 8,475 girls born was named Merryn. STABLE Recent data shows the name is currently stable.