Madelynn is a moderately popular girls' name in United States, ranking #417 in 2015 with 770 recorded births. The name reached its all-time peak in 2009 with 862 births ranking #375. Since 1996, the popularity has increased by 470.4%. In 2015, approximately 1 in every 2,318 girls born was named Madelynn. STABLE Recent data shows the name is currently stable.