Maddi is a distinctive girls' name in United States, ranking #6739 in 2006 with 19 recorded births. The name reached its all-time peak in 2008 with 29 births ranking #5089. Since 1996, the popularity has increased by 171.4%. In 2006, approximately 1 in every 100,056 girls born was named Maddi. FALLING Recent data shows the name is currently falling.