Madilynn is a distinctive girls' name in United States, ranking #805 in 2007 with 356 recorded births. The name reached its all-time peak in 2014 with 656 births ranking #479. Since 1996, the popularity has increased by 978.8%. In 2007, approximately 1 in every 5,400 girls born was named Madilynn. FALLING Recent data shows the name is currently falling.