Marcy is a distinctive girls' name in United States, ranking #4071 in 2009 with 38 recorded births. The name reached its all-time peak in 1996 with 58 births ranking #2300. Since 1996, the popularity has decreased by 34.5%. In 2009, approximately 1 in every 48,339 girls born was named Marcy. RISING Recent data shows the name is currently rising.