Madilynn is a distinctive girls' name in United States, ranking #547 in 2011 with 533 recorded births. The name reached its all-time peak in 2014 with 656 births ranking #479. Since 1996, the popularity has increased by 1,515.2%. In 2011, approximately 1 in every 3,300 girls born was named Madilynn. FALLING Recent data shows the name is currently falling.