Madilynn is a distinctive girls' name in United States, ranking #554 in 2009 with 552 recorded births. The name reached its all-time peak in 2014 with 656 births ranking #479. Since 1996, the popularity has increased by 1,572.7%. In 2009, approximately 1 in every 3,328 girls born was named Madilynn. FALLING Recent data shows the name is currently falling.