Maddilyn is a distinctive girls' name in United States, ranking #3879 in 2023 with 39 recorded births. The name reached its all-time peak in 2016 with 101 births ranking #1981. Since 1996, the popularity has increased by 550.0%. In 2023, approximately 1 in every 41,093 girls born was named Maddilyn. FALLING Recent data shows the name is currently falling.