Maddalyn is a distinctive girls' name in United States, ranking #3700 in 2011 with 42 recorded births. This places Maddalyn in the top 19% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 58 births ranking #2960. In 2011, approximately 1 in every 41,876 girls born was named Maddalyn. FALLING Recent data shows the name is currently falling.