Mercedez is a distinctive girls' name in United States, ranking #2158 in 2009 with 93 recorded births. The name reached its all-time peak in 2000 with 141 births ranking #1343. Since 1996, the popularity has decreased by 18.4%. In 2009, approximately 1 in every 19,751 girls born was named Mercedez. FALLING Recent data shows the name is currently falling.