Merryn is a distinctive girls' name in England & Wales, ranking #1136 in 2018 with 30 recorded births. The name reached its all-time peak in 2013 with 45 births ranking #839. Since 1996, the popularity has increased by 200.0%. In 2018, approximately 1 in every 9,609 girls born was named Merryn. STABLE Recent data shows the name is currently stable.