Madilyn is a moderately popular girls' name in United States, ranking #319 in 2021 with 1,019 recorded births. The name reached its all-time peak in 2008 with 1,169 births ranking #288. Since 1996, the popularity has increased by 638.4%. In 2021, approximately 1 in every 1,609 girls born was named Madilyn. FALLING Recent data shows the name is currently falling.