Merilyn is a distinctive girls' name in United States, ranking #8801 in 2014 with 13 recorded births. The name reached its all-time peak in 2005 with 19 births ranking #6453. Since 1996, the popularity has increased by 160.0%. In 2014, approximately 1 in every 137,380 girls born was named Merilyn. FALLING Recent data shows the name is currently falling.