Madalyn is a moderately popular girls' name in United States, ranking #377 in 2003 with 808 recorded births. The name reached its all-time peak in 2008 with 1,144 births ranking #292. Since 1996, the popularity has increased by 82.0%. In 2003, approximately 1 in every 2,261 girls born was named Madalyn. STABLE Recent data shows the name is currently stable.