Madelynn is a moderately popular girls' name in United States, ranking #387 in 2008 with 831 recorded births. The name reached its all-time peak in 2009 with 862 births ranking #375. Since 1996, the popularity has increased by 515.6%. In 2008, approximately 1 in every 2,275 girls born was named Madelynn. STABLE Recent data shows the name is currently stable.