Mercedez is a distinctive girls' name in United States, ranking #3958 in 2015 with 38 recorded births. The name reached its all-time peak in 2000 with 141 births ranking #1343. Since 1996, the popularity has decreased by 66.7%. In 2015, approximately 1 in every 46,965 girls born was named Mercedez. FALLING Recent data shows the name is currently falling.