Madalyn is a moderately popular girls' name in United States, ranking #338 in 2009 with 975 recorded births. The name reached its all-time peak in 2008 with 1,144 births ranking #292. Since 1996, the popularity has increased by 119.6%. In 2009, approximately 1 in every 1,884 girls born was named Madalyn. STABLE Recent data shows the name is currently stable.