Marcy is a distinctive girls' name in United States, ranking #5055 in 2010 with 28 recorded births. The name reached its all-time peak in 1996 with 58 births ranking #2300. Since 1996, the popularity has decreased by 51.7%. In 2010, approximately 1 in every 63,476 girls born was named Marcy. RISING Recent data shows the name is currently rising.