Marcy is a distinctive girls' name in United States, ranking #5404 in 2014 with 25 recorded births. The name reached its all-time peak in 1996 with 58 births ranking #2300. Since 1996, the popularity has decreased by 56.9%. In 2014, approximately 1 in every 71,437 girls born was named Marcy. RISING Recent data shows the name is currently rising.