Maddelyn is a distinctive girls' name in United States, ranking #4517 in 2018 with 31 recorded births. The name reached its all-time peak in 2017 with 43 births ranking #3598. Since 1996, the popularity has increased by 244.4%. In 2018, approximately 1 in every 54,852 girls born was named Maddelyn. STABLE Recent data shows the name is currently stable.