Maddi is a distinctive girls' name in United States, ranking #9002 in 1998 with 10 recorded births. The name reached its all-time peak in 2008 with 29 births ranking #5089. Since 1996, the popularity has increased by 42.9%. In 1998, approximately 1 in every 176,689 girls born was named Maddi. FALLING Recent data shows the name is currently falling.