Madilynn is a distinctive girls' name in United States, ranking #562 in 2010 with 518 recorded births. The name reached its all-time peak in 2014 with 656 births ranking #479. Since 1996, the popularity has increased by 1,469.7%. In 2010, approximately 1 in every 3,431 girls born was named Madilynn. FALLING Recent data shows the name is currently falling.