Maddelyn is a distinctive girls' name in United States, ranking #6568 in 2002 with 17 recorded births. The name reached its all-time peak in 2017 with 43 births ranking #3598. Since 1996, the popularity has increased by 88.9%. In 2002, approximately 1 in every 105,695 girls born was named Maddelyn. STABLE Recent data shows the name is currently stable.