Maddilyn is a distinctive girls' name in United States, ranking #3924 in 2024 with 38 recorded births. The name reached its all-time peak in 2016 with 101 births ranking #1981. Since 1996, the popularity has increased by 533.3%. In 2024, approximately 1 in every 42,452 girls born was named Maddilyn. FALLING Recent data shows the name is currently falling.