Mandalyn is a distinctive girls' name in United States, ranking #18814 in 2010 with 5 recorded births. The name reached its all-time peak in 2002 with 18 births ranking #6298. Since 1996, the popularity has decreased by 44.4%. In 2010, approximately 1 in every 355,465 girls born was named Mandalyn. STABLE Recent data shows the name is currently stable.