Merryn is a distinctive girls' name in England & Wales, ranking #973 in 2011 with 36 recorded births. The name reached its all-time peak in 2013 with 45 births ranking #839. Since 1996, the popularity has increased by 260.0%. In 2011, approximately 1 in every 8,925 girls born was named Merryn. STABLE Recent data shows the name is currently stable.