Maddelyn is a distinctive girls' name in United States, ranking #5323 in 2009 with 27 recorded births. The name reached its all-time peak in 2017 with 43 births ranking #3598. Since 1996, the popularity has increased by 200.0%. In 2009, approximately 1 in every 68,032 girls born was named Maddelyn. STABLE Recent data shows the name is currently stable.