Maddelyn is a distinctive girls' name in United States, ranking #6463 in 2025 with 18 recorded births. The name reached its all-time peak in 2017 with 43 births ranking #3598. Since 1996, the popularity has increased by 100.0%. In 2025, approximately 1 in every 89,293 girls born was named Maddelyn. STABLE Recent data shows the name is currently stable.