Madalyn is a moderately popular girls' name in United States, ranking #421 in 2011 with 738 recorded births. The name reached its all-time peak in 2008 with 1,144 births ranking #292. Since 1996, the popularity has increased by 66.2%. In 2011, approximately 1 in every 2,383 girls born was named Madalyn. STABLE Recent data shows the name is currently stable.