Mercedes is a distinctive girls' name in United States, ranking #646 in 2009 with 457 recorded births. The name reached its all-time peak in 1996 with 1,390 births ranking #211. Since 1996, the popularity has decreased by 67.1%. In 2009, approximately 1 in every 4,019 girls born was named Mercedes. STABLE Recent data shows the name is currently stable.