Madalyn is a moderately popular girls' name in United States, ranking #359 in 2005 with 875 recorded births. The name reached its all-time peak in 2008 with 1,144 births ranking #292. Since 1996, the popularity has increased by 97.1%. In 2005, approximately 1 in every 2,112 girls born was named Madalyn. STABLE Recent data shows the name is currently stable.