Maddilyn is a distinctive girls' name in United States, ranking #2773 in 2022 with 62 recorded births. The name reached its all-time peak in 2016 with 101 births ranking #1981. Since 1996, the popularity has increased by 933.3%. In 2022, approximately 1 in every 26,432 girls born was named Maddilyn. FALLING Recent data shows the name is currently falling.